Top Open Source Projects using Cloudflare
A curated collection of the 298 best free and open-source projects built using Cloudflare. Discover popular repositories, architecture patterns, and trending software in 2026.
Zen Browser
MPL-2.0A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Zed
NOASSERTIONA Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.
Waterfox
NOASSERTIONFirefox-based browser with built-in ad blocking, oblivious DNS, zero telemetry, tree-style tabs, and no AI features sending your data anywhere.
Wraft
AGPL-3.0Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.
Tldraw
NOASSERTIONVirtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
OpenLLMetry
Apache-2.0Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.
Usertour
NOASSERTIONOpen-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Openlane
Apache-2.0Automates evidence collection, control tracking, and audit reporting across SOC 2, ISO 27001, NIST 800-53, GDPR, and 12+ other frameworks in one platform.
Showly
GPL-3.0Android and iOS app for tracking TV shows and movies, managing watchlists, and syncing viewing history with Trakt.tv across devices.
Open Wearables
MITSelf-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.
Openinary
AGPL-3.0Open-source alternative to Cloudinary offering self-hosted media transformation. Works with S3/R2/MinIO. Upload, transform, and deliver images/videos without vendor lock-in.
Open Mercato
MITA modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in days, not months.
Orca
MITAgent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.
OpenSign
NOASSERTIONA powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.
Navidrome
GPL-3.0Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.
NetData
GPL-3.0Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
LiteLLM
NOASSERTIONActs as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Mautic
NOASSERTIONMautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.
Krakend
Apache-2.0High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.
Home Assistant
Apache-2.0Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.
Gravitee
Apache-2.0Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.
Outline
NOASSERTIONTeam knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Flipt
NOASSERTIONA feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.
Bifrost
Apache-2.0Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.
Fizzy
NOASSERTIONTrack issues, ideas, and projects with a modern kanban board that's fast and straightforward. Free for 1000 cards, then $20/month for unlimited use.
Elementary Data
Apache-2.0Elementary provides dbt-native data observability to detect issues, understand root causes, and resolve problems quickly in data pipelines.
draw.io
Apache-2.0Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, and more.
drawDB
AGPL-3.0Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.
Dyad
NOASSERTIONCreate full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.
CloudQuery
MPL-2.0CloudQuery is an open-source ELT platform that enables easy data integration from hundreds of cloud and security tools to any destination.
AutoMQ
Apache-2.0AutoMQ is a serverless Kafka alternative built on S3 that offers 10x cost savings, easy scalability, and full Kafka compatibility.
BleachBit
GPL-3.0BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.
Billion Mail
AGPL-3.0Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Activeloop
Apache-2.0Continual Learning Infrastructure for AI Agents
WunderGraph
Apache-2.0A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Workadventure
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.
Wire
GPL-3.0A comprehensive collaboration platform offering end-to-end encrypted messaging, file sharing, and video calls with enterprise-grade security and compliance features.
Windmill
NOASSERTIONPowerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
Werbot
NOASSERTIONCentralized platform for managing SSH access, enhancing security, and streamlining server administration for DevOps teams.
Warpdrive
MITPipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
Wealthfolio
AGPL-3.0Wealthfolio is a simple, secure desktop app for tracking investments and managing your wealth without compromising data privacy.
Vrite
NOASSERTIONA powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.
Vikunja
AGPL-3.0A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.
Valour
AGPL-3.0Open-source communication platform with multi-window chat, economy systems, and privacy-first approach. Built by communities for superior performance.
useSend
AGPL-3.0Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.
UserTourKit
MITHeadless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.
Pluton
Apache-2.0Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.
Vemetric
AGPL-3.0Privacy-focused analytics platform combining web and product insights. Track user journeys, create funnels, and understand behavior with GDPR compliance and no cookies by default.
Memos
MITMemos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.
UnoPim
MITOpen source Product Information Management system with an AI agent for catalog enrichment, bulk updates, multilingual content, and omnichannel distribution.
Uptime Kuma
MITMonitors websites, APIs, and services with real-time alerts, a status page, and support for dozens of notification channels. Self-hosted and Docker-friendly.
Minutes
MITRecords meetings and voice memos locally using whisper.cpp, writes structured markdown to disk, and exposes 31 MCP tools so any AI agent can query your conversation history.
Typebot
NOASSERTIONDesign, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Umami
MITA lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.
Tyk
NOASSERTIONFast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.
Twenty
NOASSERTIONSelf-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
VoiceInk
NOASSERTIONPrivacy-first dictation app for Apple Silicon Macs that transcribes speech locally, cleans up output with AI, and auto-switches settings per app.
Abby
AGPL-3.0Open-source feature flags, remote config, and A/B testing for developers
Trigger
Apache-2.0Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
TryPost
AGPL-3.0Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.
ToolJet
AGPL-3.0Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Temps
Apache-2.0Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.
Hive
MITA fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
SuperTokens
NOASSERTIONOpen-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.
Superset
NOASSERTIONmacOS app that orchestrates multiple AI coding agents simultaneously, each in its own isolated Git worktree, so you can work on many tasks at once.
Storj
AGPL-3.0Storj offers a distributed cloud storage platform with enhanced security, global performance, and significant cost savings compared to traditional providers.
Stoat
NOASSERTIONSelf-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.
StatusScout
NOASSERTIONMonitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.
Statusnook
MITA powerful open-source status page system for real-time incident tracking, maintenance updates, and transparent communication with users.
Standard Notes
AGPL-3.0Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.
Solidus
NOASSERTIONOpen-source eCommerce platform offering customization, scalability and enterprise-grade features for brands of all sizes
Splitpro
MITFree, open-source expense sharing app with multi-currency support, unequal splits, and receipt uploads. Import from Splitwise and enjoy PWA functionality.
Soketi
AGPL-3.0Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.
Statamic
NOASSERTIONA flat-file CMS that combines simplicity and flexibility, empowering developers to build custom websites without database complexity.
Spree Commerce
BSD-3-ClauseHeadless eCommerce platform with REST API, TypeScript SDK, and Next.js storefront. Handle B2B, multi-vendor marketplaces, and cross-border commerce. Self-hosted, open source, zero fees.
Sink
AGPL-3.0A serverless link shortener that runs entirely on Cloudflare, offering URL compression, analytics, and customizable slugs.
Signal
AGPL-3.0Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
Snapify
AGPL-3.0Effortlessly create, share, and collaborate with screen recordings. Control your data with self-hosting or our secure cloud option.
Sessy
NOASSERTIONTrack SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Shelf
AGPL-3.0Simplify asset tracking, boost productivity, and gain real-time insights with our user-friendly, open-source inventory solution.
Financial Freedom
GPL-3.0Self-hosted alternative to Mint and YNAB for budgeting and building wealth while maintaining full control of your financial data.
Sendportal
MITOpen-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.
Semaphore
NOASSERTIONContinuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing CI/CD expenses by 50%.
Scanopy
AGPL-3.0Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Ryot
GPL-3.0Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
RustDesk
AGPL-3.0Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk.
s&box
NOASSERTIONA game creation platform built on Valve's Source 2 engine, letting you build, share, and play games without leaving the environment.
Rowy
NOASSERTIONA low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Rivet
Apache-2.0Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Rocket.Chat
NOASSERTIONOpen source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Reqcore
Self-hosted open-source ATS with no per-seat pricing. Full data ownership, modern tech stack, and complete control over your recruitment process.
Hyvor Relay
AGPL-3.0Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Refine
MITA React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.
Reflex
Apache-2.0Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Logfire
MITLogfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.
Proxed AI
AGPL-3.0A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps
Probo
MITCompliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection.
Prometheus
Apache-2.0Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.
Prismical
MITFree, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without invasive bots.
Hyvor Post
AGPL-3.0Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.
Portkey AI Gateway
MITComprehensive AI platform with gateway, observability, guardrails, and prompt management. Access 1,600+ LLMs via unified API with enterprise-grade security.
Postiz
AGPL-3.0Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.
Pixelfed
AGPL-3.0Decentralized photo sharing platform with chronological feeds, privacy controls, and ActivityPub federation. No ads, no algorithms, just authentic connections.
pi
MITTerminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Peekaping
MITOpen-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.
Penpot
MPL-2.0Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Phase
NOASSERTIONOpen source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.
Passbolt
AGPL-3.0Open source password manager focused on security, collaboration and privacy for organizations
Paymenter
MITAutomate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
PearPass
NOASSERTIONOpen-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.
Paralino
AGPL-3.0Share your real-time location with family and friends using end-to-end encryption, geofence alerts, travel history, and multi-device tracking.
Papra
AGPL-3.0A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.
Paseo
NOASSERTIONSelf-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.
Pagecord
NOASSERTIONPublish blog posts by email, from Obsidian, iA Writer, the web editor, CLI, or API. Includes RSS, email subscribers, analytics, custom domains, and full export.
Ory
Apache-2.0Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.
Organic Maps
NOASSERTIONFree, open-source offline maps app with detailed trails, turn-by-turn navigation, and zero tracking. Perfect for hikers, cyclists, and travelers seeking privacy.
Open WebUI
NOASSERTIONSelf-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Operational
AGPL-3.0Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons
Operately
NOASSERTIONOperately is an open source platform that centralizes projects, goals, and processes, helping startups run efficiently without a COO.
OpenVPN
NOASSERTIONSecure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.
OpenTofu
MPL-2.0A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.
OpenSEO
MITManage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.
OpenSERP
MITQuery Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.
OpenPencil
MITA Figma-compatible design editor with built-in AI chat, headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. No account needed.
OpenMeter
Apache-2.0Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.
OpenPanel
NOASSERTIONA user-friendly, open-source control panel for effortless server administration, designed for both beginners and experts.
OpenLIT
Apache-2.0Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
OpenPanel
AGPL-3.0Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.
OpenNotas
NOASSERTIONOpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.
OpenComputer
Apache-2.0Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.
OpenCut
MITBrowser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
OneUptime
Apache-2.0All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
Campfire
MITInstall your own group chat system with @mentions, DMs, and mobile support. One-time purchase, no monthly fees. Includes full source code for customization.
Corpus
AGPL-3.0Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.
Novu
NOASSERTIONOpen-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Notesnook
GPL-3.0End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.
Nordcraft
Apache-2.0Visual web development engine combining design and development tools. Build immersive, interactive web experiences with component-based framework, real-time collaboration, and powerful visual editor.
Nightingale
GPL-3.0AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.
mlop
Apache-2.0Open source ML experiment tracking platform with parameter and gradient logging, media tracking, real-time alerts, and full Weights & Biases API compatibility.
Spinifex
AGPL-3.0Spinifex recreates EC2, S3, EBS, VPC, IAM, and more on your own hardware, so AWS-built software runs unchanged without touching a hyperscaler.
Mockoon
MITCreate, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.
Midday
AGPL-3.0All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.
Mike
AGPL-3.0Self-hostable alternative to Harvey and Legora with document analysis, contract drafting, tabular review, and reusable workflows. Zero licensing costs, full data control.
Meteroid
AGPL-3.0Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.
MinIO
AGPL-3.0Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Meilisearch
NOASSERTIONA powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
Mem0
Apache-2.0Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
MaxKB
GPL-3.0Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Atomic CRM
MITBuild a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Maple
NOASSERTIONObservability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.
Mattermost
NOASSERTIONMattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
Manticore Search
GPL-3.0Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.
LostPixel
MITAutomated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.
Logto
MPL-2.0An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
LogChimp
NOASSERTIONCollect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management.
LocalSend
Apache-2.0Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.
LobeChat
NOASSERTIONA collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
LittleLink
MITOpen source DIY alternative to Linktree with 100+ branded buttons, multiple themes, and optimized performance. No frameworks or JavaScript required.
Linkwarden
AGPL-3.0Open-source platform to collect, organize, and preserve webpages with powerful collaboration features
LinkStack
AGPL-3.0A free, open-source link management platform for creating customizable, self-hosted link pages to showcase your online presence.
Lingo.dev
Apache-2.0Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages with Git-native automation.
Letta
Apache-2.0Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
LibreChat
MITChat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
LangWatch
Apache-2.0Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.
LibreTranslate
AGPL-3.0Self-hosted machine translation API that works offline. Download, setup, and run your own translation server in minutes with complete privacy control.
Leantime
AGPL-3.0Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.
LanguageTool
LGPL-2.1Check grammar, punctuation, and spelling errors instantly with AI-powered technology. Supports 30+ languages with browser extensions and desktop apps.
Kutt
MITKutt offers a free and open-source solution for shortening URLs, complete with custom domains and detailed analytics.
Krayin
MITOpen source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.
Kestra
Apache-2.0YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Keep
NOASSERTIONOpen-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
Karakeep
AGPL-3.0Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.
KeePassXC
NOASSERTIONKeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.
JumpServer
GPL-3.0Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.
Kan
AGPL-3.0Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.
Kaneo
MITSelf-hosted project management platform with visual task management, data privacy, and complete control over customization - built by developers for developers.
Jitsi
Apache-2.0Host encrypted video conferences directly in your browser, deploy on your own servers, or integrate into applications - all with this powerful open source platform.
Jarvis
MITFree, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.
Jan
NOASSERTIONJan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
iTerm 2
GPL-2.0Feature-rich terminal replacement for macOS with split panes, search, autocomplete, and extensive customization options for enhanced productivity.
itsnotes
MITA self-hosted, open-source note-taking app that keeps the Google Keep sticky-note feel while adding folders, timelines, list views, and import support.
Jean
Apache-2.0Run multiple AI coding agents in isolated Git worktrees, with cross-repo context, GitHub/Linear integrations, and support for Claude, Codex, Cursor, and more.
Impler
MITOpen-source solution for effortless data importing, mapping, and validation in web applications
Immich
AGPL-3.0Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.
Invoice Ninja
NOASSERTIONFree invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.
Huly
EPL-2.0Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
HTTPie
NOASSERTIONIntuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.
Hummingbot
Apache-2.0Automate crypto trading strategies with a powerful, customizable platform. Connect to multiple exchanges and optimize your market making.
Hi.Events
NOASSERTIONHi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.
HeyForm
AGPL-3.0A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.
Hoodik
NOASSERTIONLightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Hook0
NOASSERTIONSelf-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.
Helicone
Apache-2.0Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Hanko
NOASSERTIONOpen source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Hackatime
MITFree, open-source coding time tracker compatible with VS Code, JetBrains IDEs, vim, emacs and more. No limits, no paywalls - your data stays yours forever.
Handy
MITCross-platform desktop app that transcribes your voice into any text field using a keyboard shortcut, with all processing done locally on your machine.
Helium
GPL-3.0Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
GreptimeDB
Apache-2.0Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Graphite
Apache-2.0A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.
Gumroad
MITA digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.
GrowthBook
NOASSERTIONPowerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Cal.com
MITCal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
GoRules
MITModel business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine anywhere.
Gogs
MITLightweight, cross-platform Git service for self-hosting. Easy installation, minimal requirements, runs on Raspberry Pi. 100% open source and free.
GitLab
NOASSERTIONA comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.
Gladys Assistant
Apache-2.0Privacy-first home automation platform that runs locally on your hardware, supports Zigbee, Matter, and MQTT, and lets you automate your home without coding.
Authentik
NOASSERTIONauthentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
Godot
MITBuild 2D, 3D, and XR games with a full-featured engine that includes its own scripting language, scene editor, and export tools for multiple platforms.
Gigapipe
AGPL-3.0Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.
GDevelop
NOASSERTIONFree, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.
Gatus
Apache-2.0A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure
Ever Gauzy
AGPL-3.0All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Frontman
NOASSERTIONOpen-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.
Freeter
GPL-3.0Organize projects, tasks, and resources in customizable workspaces. Boost productivity with a unified interface for all your work.
Freescout
AGPL-3.0Self-hosted email management system with shared inboxes, automation, and powerful collaboration features for efficient customer support.
Frappe Helpdesk
AGPL-3.0Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.
Frappe Insights
AGPL-3.0Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.
Formizee
Apache-2.0Formizee is an open-source platform for designing, building, and analyzing forms, offering an affordable all-in-one solution
Frappe Books
AGPL-3.0A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.
Formbricks
NOASSERTIONCollect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.
Frappe Builder
MITFrappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.
Frappe CRM
AGPL-3.0A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.
Flow
GPL-3.0A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.
Flagsmith
BSD-3-ClausePowerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
Flarum
MITLightweight, extensible forum platform with a sleek interface, powerful moderation tools, and seamless integration capabilities.
Featurevisor
MITFeaturevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.
Fider
AGPL-3.0A self-hosted community feedback tool that helps organizations gather, discuss, and prioritize user suggestions and feature requests.
Faved
MITA private, open-source bookmark manager for power users and large libraries, with a powerful, clutter-free UI.
Fincept Terminal
NOASSERTIONComprehensive financial data platform offering economic insights, market analysis, and portfolio management tools
FastGPT
NOASSERTIONFastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Expensify
MITAutomate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
Ever Teams
AGPL-3.0Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.
Ethora
Apache-2.0Build branded chat apps with AI agents, group messaging, document exchange, and digital wallets using React and React Native components.
Erxes
NOASSERTIONAll-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
ERPNext
GPL-3.0Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Ente
AGPL-3.0End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Element
AGPL-3.0Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.
EasyMonitor
MITDeploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.
Encore
MPL-2.0A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Dokploy
NOASSERTIONStreamline your deployment process with Dokploy. Manage applications and databases on any VPS using Docker and Traefik for improved performance and security.
Donetick
AGPL-3.0Organize tasks and chores with intelligent scheduling, fair assignment, and collaboration features. Perfect for families and teams with smart notifications.
Docmost
AGPL-3.0Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.
Dittofeed
MITDittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
/dev/push
MITAn open-source alternative to Vercel and Render for deploying applications directly from GitHub with zero-config support.
Dify
NOASSERTIONVisual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.
Deta Surf
Apache-2.0A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Directus
NOASSERTIONA versatile headless CMS and API engine that simplifies data management, content creation, and application development.
Darkwrite
AGPL-3.0A customizable, offline-first note editor that lets you format text, create lists, add images, and export to HTML - all while maintaining your privacy.
Craft CMS
NOASSERTIONBuild custom websites with a user-friendly CMS that puts content first. Features flexible architecture, GraphQL API, and powerful ecommerce capabilities.
Coolify
Apache-2.0Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic SSL.
Colanode
Apache-2.0Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.
CodeZero
NOASSERTIONOpen-source no-code automation platform for logistics, chatbots, and AI agents. Deploy on cloud, self-host, or hybrid with complete data sovereignty and modular workflow design.
Conar
AGPL-3.0Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.
Coder
AGPL-3.0Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.
Cloudmark
AGPL-3.0Cloud-based bookmark manager that lets you save, categorize, and access your web favorites from any device with smart organization features
CocoIndex
Apache-2.0Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.
ClickHouse
Apache-2.0High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.
ClassroomIO
AGPL-3.0Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.
Chat2DB
NOASSERTIONAI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.
Marble
NOASSERTIONAn open-source platform that enables fintech companies to monitor transactions and user activity, detect suspicious behaviors, and automate fraud prevention in real-time.
Chartbrew
NOASSERTIONA powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.
Cherry Studio
AGPL-3.0Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Capgo
AGPL-3.0Live update platform for Ionic and Capacitor apps that pushes JavaScript, CSS, and asset changes to devices in minutes, with channels, rollback, and release analytics.
Cap
NOASSERTIONLightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.
Chalk.ist
MITCreate beautiful, customizable images of your source code with ease, perfect for presentations, documentation, and social media sharing.
Cachet
NOASSERTIONOpen-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking
Bytebase
NOASSERTIONComprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
BugPin
AGPL-3.0Embeds a lightweight widget into web apps so users can capture screenshots, annotate issues, and submit reports with console logs and browser metadata included.
Pearl
Apache-2.0Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.
Buzz
Apache-2.0Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.
Bknd
Apache-2.0Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Botpress
MITA comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.
Blinko
GPL-3.0The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Ballerine
NOASSERTIONReduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Bagisto
MITA flexible eCommerce platform built on Laravel that enables businesses to create marketplaces, mobile apps, and headless commerce solutions
Bigcapital
AGPL-3.0Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
SiYuan
AGPL-3.0Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Orama
NOASSERTIONBlend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.
Automatisch
NOASSERTIONSelf-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
Arize Phoenix
NOASSERTIONOpen-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Midori Browser
MPL-2.0Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.
Azimutt
MITAzimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
AppFlowy
AGPL-3.0Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
AnythingLLM
MITA desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Anthias
NOASSERTIONFree open-source digital signage software that turns Raspberry Pi or old PCs into powerful display solutions. Manage images, videos, and web content easily.
Akaunting
NOASSERTIONSelf-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Amical
MITOpen source AI dictation app that transforms speech to text with context-aware formatting. Fast, accurate transcription for meetings, notes, and hands-free typing.
Agenta
NOASSERTIONOpen-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.
AgentOS
Apache-2.0Open-source TypeScript AI agent framework for building adaptive autonomous agents
Affine
NOASSERTIONOpen-source Notion & Miro alternative with docs, whiteboards, databases, and AI in one local-first workspace
ActivityWatch
MPL-2.0Open-source, privacy-first automated time tracker for all platforms
ActivePieces
NOASSERTIONAI-first automation platform for teams with 761+ integrations and governance controls
aaPanel
NOASSERTIONaaPanel simplifies Linux server management with one-click installations, intuitive interface, and comprehensive tools for websites, databases, and more.
5ire
NOASSERTIONOpen-source cross-platform desktop AI assistant with MCP support and local knowledge base
1Panel
GPL-3.0Modern open-source Linux server management panel with AI and app deployment capabilities
n8n
NOASSERTIONBuild automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.
InfluxDB
Apache-2.0InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.
Appwrite
BSD-3-ClauseOpen-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
