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Top Open Source Projects using Python

A curated collection of the 189 best free and open-source projects built using Python. Discover popular repositories, architecture patterns, and trending software in 2026.

189 projects indexedExplore all tech stacks →
Zulip

Zulip

Apache-2.0
★ 25,775

Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.

Zulip
PythonTypescriptJavaScriptCSS+17
Zed

Zed

NOASSERTION
★ 89,305

A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.

Zed
RustPythonInno SetupTree-sitter Query+12
YunoHost

YunoHost

AGPL-3.0
★ 2,967

Install and maintain your own server with minimal technical knowledge. Host websites, email, cloud storage, social networks, and more for complete digital independence.

YunoHost
PythonShellC++BitBake+5
Grok Build

Grok Build

Apache-2.0
★ 26,121

Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.

Grok Build
RustPythonJavaScriptShell+3
Chroma

Chroma

Apache-2.0
★ 29,157

Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Chroma
RustPythonTypescriptGo+22
OpenLLMetry

OpenLLMetry

Apache-2.0
★ 7,402

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

OpenLLMetry
PythonShellGitHubNodeJS+5
Usertour

Usertour

NOASSERTION
★ 2,292

Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding

Usertour
TypescriptShellPythonHTML+35
SurfSense

SurfSense

NOASSERTION
★ 16,022

Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

SurfSense
PythonTypescriptMDXShell+24
Storyden

Storyden

MPL-2.0
★ 332

Create permanent, discoverable communities with modern forum features. Combines discussion, curation, and wiki functionality in one platform.

Storyden
GoTypescriptJavaScriptPython+23
TimescaleDb

TimescaleDb

NOASSERTION
★ 23,425

PostgreSQL extension for time-series data with automatic partitioning, up to 95% columnar compression, continuous aggregates, and ~200 native SQL functions.

TimescaleDb
CPLpgSQLPythonCMake+11
Spanlens

Spanlens

MIT
★ 12

Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.

Spanlens
TypescriptPLpgSQLPythonJavaScript+32
Skyvern

Skyvern

AGPL-3.0
★ 22,857

Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.

Skyvern
PythonTypescriptJavaScriptJinja+24
Spacedrive

Spacedrive

NOASSERTION
★ 38,861

A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.

Spacedrive
RustTypescriptPythonSwift+22
Parlant

Parlant

Apache-2.0
★ 18,269

A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.

Parlant
PythonGherkinTypescriptCSS+18
Papermark

Papermark

NOASSERTION
★ 8,977

Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.

Papermark
TypescriptJavaScriptCSSPython+30
Open Wearables

Open Wearables

MIT
★ 2,408

Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.

Open Wearables
PythonTypescriptMDXCSS+21
OpenShot

OpenShot

NOASSERTION
★ 6,210

A free, open-source video editor for Linux, Mac, and Windows with animation, effects, multi-track editing, and 3D title rendering.

OpenShot
PythonPowerShellInno SetupShell+6
OpenStack

OpenStack

Apache-2.0
★ 6,013

OpenStack manages compute, storage, and networking across VMs, bare metal, and containers via APIs or a dashboard. Trusted by Walmart, China Mobile, and more.

OpenStack
PythonGitHubNodeJSNetlify+1
OmoiOS

OmoiOS

Apache-2.0
★ 75

Deploy AI agents that build features, fix bugs, and handle complex workflows overnight. Wake up to tested code and ready-to-review pull requests.

OmoiOS
PythonTypescriptHTMLJust+26
GPT4All

GPT4All

MIT
★ 77,395

GPT4All runs open-source language models locally on Windows, macOS, and Linux with no cloud dependency, keeping your data on your machine.

GPT4All
C++QMLPythonCMake+12
NetData

NetData

GPL-3.0
★ 80,318

Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

NetData
GoCRustPython+11
OctoBot

OctoBot

GPL-3.0
★ 6,473

OctoBot is an open-source platform for automated cryptocurrency trading, offering customizable strategies and easy integration with exchanges.

OctoBot
PythonTypescriptHTMLJavaScript+16
Mage

Mage

Apache-2.0
★ 8,814

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Mage
PythonTypescriptHTMLCSS+14
Mimrai

Mimrai

AGPL-3.0
★ 26

Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Mimrai
TypescriptPythonCSSJavaScript+29
LiteLLM

LiteLLM

NOASSERTION
★ 57,381

Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.

LiteLLM
PythonTypescriptHTMLRust+26
LibreOffice

LibreOffice

GPL-3.0
★ 4,278

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

LibreOffice
C++JavaPythonRich Text Format+6
LearnHouse

LearnHouse

AGPL-3.0
★ 2,205

Open-source LMS for building and selling courses with a block-based editor, built-in payments, AI tools, analytics, and white-labeling. Self-host or use the cloud.

LearnHouse
PythonTypescriptJavaScriptCSS+25
Langflow

Langflow

MIT
★ 153,727

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Langflow
PythonTypescriptJavaScriptCSS+25
Instant

Instant

Apache-2.0
★ 10,493

Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.

Instant
TypescriptClojureJavaScriptPython+31
HelixDB

HelixDB

Apache-2.0
★ 5,858

Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.

HelixDB
RustPythonTypescriptGo+14
Home Assistant

Home Assistant

Apache-2.0
★ 90,130

Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.

Home Assistant
PythonShellDockerfileJavaScript+11
GIMP

GIMP

NOASSERTION
★ 6,378

Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

GIMP
CPythonSchemeC+++3
Grist

Grist

Apache-2.0
★ 11,627

A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.

Grist
TypescriptPythonJavaScriptCSS+16
Bifrost

Bifrost

Apache-2.0
★ 7,598

Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Bifrost
GoTypescriptPythonJavaScript+15
Firecrawl

Firecrawl

AGPL-3.0
★ 173,014

API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.

Firecrawl
TypescriptPythonRustJava+37
Elementary Data

Elementary Data

Apache-2.0
★ 2,399

Elementary provides dbt-native data observability to detect issues, understand root causes, and resolve problems quickly in data pipelines.

Elementary Data
HTMLPythonShellJinja+8
Eigent

Eigent

Apache-2.0
★ 15,139

Self-hostable desktop app that runs a coordinated team of AI agents to browse the web, manage files, execute terminal commands, and complete complex workflows.

Eigent
TypescriptPythonJavaScriptCSS+24
Dyad

Dyad

NOASSERTION
★ 21,322

Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.

Dyad
TypescriptJavaScriptPythonShell+26
CloudQuery

CloudQuery

MPL-2.0
★ 6,497

CloudQuery is an open-source ELT platform that enables easy data integration from hundreds of cloud and security tools to any destination.

CloudQuery
GoPythonMakefileTypescript+14
Bugsink

Bugsink

NOASSERTION
★ 2,037

Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

Bugsink
PythonHTMLCSSJavaScript+9
Beam

Beam

AGPL-3.0
★ 1,755

Run GPU inference, task queues, and sandboxes on serverless infrastructure with sub-second cold starts, autoscaling, and support for your own AWS, GCP, or bare metal.

Beam
GoPythonHCLShell+11
AutoMQ

AutoMQ

Apache-2.0
★ 10,576

AutoMQ is a serverless Kafka alternative built on S3 that offers 10x cost savings, easy scalability, and full Kafka compatibility.

AutoMQ
JavaScalaPythonShell+12
BleachBit

BleachBit

GPL-3.0
★ 6,719

BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.

BleachBit
PythonNSISCSSShell+6
Billion Mail

Billion Mail

AGPL-3.0
★ 15,456

Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

Billion Mail
GoShellHTMLPython+17
Activeloop

Activeloop

Apache-2.0
★ 9,228

Continual Learning Infrastructure for AI Agents

Activeloop
C++PythonPLpgSQLCMake+8
ACI.dev

ACI.dev

Apache-2.0
★ 4,885

Outcome Automation as a Service for professional and financial services firms

ACI.dev
PythonTypescriptCSSShell+20
WezTerm

WezTerm

NOASSERTION
★ 28,581

Cross-platform terminal emulator and multiplexer with GPU acceleration, true color support, and Lua configuration. Runs on Linux, macOS, Windows, FreeBSD, and NetBSD.

WezTerm
RustPythonShellNix+5
Weblate

Weblate

GPL-3.0
★ 6,041

Web-based continuous localization platform with version control integration, quality checks, and clean interface. Used by 2,500+ projects in 165+ countries.

Weblate
PythonJinjaJavaScriptCSS+10
Weaviate

Weaviate

BSD-3-Clause
★ 16,754

Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.

Weaviate
GoPythonAssemblyShell+9
VerifyWise

VerifyWise

NOASSERTION
★ 341

Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.

VerifyWise
TypescriptPythonJupyter NotebookJavaScript+29
useSend

useSend

AGPL-3.0
★ 4,641

Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.

useSend
TypescriptMDXPythonCSS+28
Autumn

Autumn

Apache-2.0
★ 2,651

Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.

Autumn
TypescriptPythonMDXLua+28
Tyk

Tyk

NOASSERTION
★ 10,806

Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.

Tyk
GoShellPythonJavaScript+9
Twake Chat

Twake Chat

AGPL-3.0
★ 163

Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.

Twake Chat
DartSwiftPythonJavaScript+6
Twenty

Twenty

NOASSERTION
★ 55,656

Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.

Twenty
TypescriptMDXJavaScriptPython+24
CRM

CRM

MIT
★ 8,982

Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.

CRM
TypescriptPythonHTMLCSS+20
Tracecat

Tracecat

AGPL-3.0
★ 3,780

Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.

Tracecat
PythonTypescriptHCLShell+26
Tolaria

Tolaria

AGPL-3.0
★ 19,596

A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.

Tolaria
TypescriptRustJavaScriptPython+23
Timeplus

Timeplus

Apache-2.0
★ 2,247

Timeplus is a lightweight, powerful, and cost-efficient stream processing platform for real-time analytics, deployed as a single binary.

Timeplus
C++PythonShellC+7
Tolgee

Tolgee

NOASSERTION
★ 4,081

Manage app translations with in-context editing, AI translation, and collaborative tools. Self-hostable and free to start.

Tolgee
TypescriptKotlinPythonJavaScript+17
Hercules

Hercules

AGPL-3.0
★ 1,131

Hercules is the first open-source testing agent, enabling zero-code, zero-maintenance UI, API, security, accessibility, and visual validations.

Hercules
PythonGherkinPowerShellShell+8
Temps

Temps

Apache-2.0
★ 688

Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Temps
RustTypescriptPythonShell+24
Tabby

Tabby

NOASSERTION
★ 33,836

Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.

Tabby
RustPythonHTMLTree-sitter Query+29
Taiga

Taiga

MPL-2.0
★ 848

Self-hostable agile project management tool with Kanban and Scrum boards, sprint planning, issue tracking, and reporting for teams of any size.

Taiga
PythonJinjaShellDockerfile+5
Swirl Search

Swirl Search

Apache-2.0
★ 3,043

AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.

Swirl Search
PythonHTMLShellCSS+11
Kitty

Kitty

GPL-3.0
★ 34,624

High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.

Kitty
PythonCGoObjective-C+5
SWE-agent

SWE-agent

MIT
★ 20,151

State-of-the-art AI agent that uses language models like GPT-4o to autonomously solve GitHub issues, fix bugs, and implement features with configurable YAML setup.

SWE-agent
PythonJavaScriptCSSShell+5
Apache Superset

Apache Superset

Apache-2.0
★ 74,482

Connect any SQL database, build charts with drag-and-drop or raw SQL, and publish interactive dashboards without writing application code.

Apache Superset
PythonTypescriptJupyter NotebookHTML+20
SigNoz

SigNoz

NOASSERTION
★ 31,936

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

SigNoz
TypescriptGoPythonSCSS+18
Sentry

Sentry

NOASSERTION
★ 44,628

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

Sentry
PythonTypescriptMDXHTML+19
Seafile

Seafile

NOASSERTION
★ 15,174

Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.

Seafile
CPythonM4CMake+3
RustDesk

RustDesk

AGPL-3.0
★ 121,948

Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk.

RustDesk
RustDartC++Python+8
Saleor

Saleor

BSD-3-Clause
★ 23,266

Headless, API-first e-commerce solution with powerful features for customization, scalability, and seamless integration across channels.

Saleor
PythonHTMLDockerfileShell+11
Relaticle

Relaticle

AGPL-3.0
★ 1,554

Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.

Relaticle
PHPBladeJavaScriptPython+10
Reflex

Reflex

Apache-2.0
★ 28,859

Build, 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.

Reflex
PythonCSSJavaScriptTypescript+16
Qdrant

Qdrant

Apache-2.0
★ 34,220

Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.

Qdrant
RustPythonShellC+7
Logfire

Logfire

MIT
★ 4,442

Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Logfire
PythonMakefileJavaScriptGitHub+5
Pulumi

Pulumi

Apache-2.0
★ 25,614

Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.

Pulumi
GoPythonTypescriptJavaScript+9
Prefect

Prefect

Apache-2.0
★ 23,696

Orchestrate data pipelines, ML jobs, and agent workflows in plain Python with automatic retries, scheduling, and a unified UI for every run across your infrastructure.

Prefect
PythonTypescriptVueCSS+19
Polar

Polar

Apache-2.0
★ 10,213

Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Polar
PythonTypescriptMDXHCL+30
PostHog

PostHog

NOASSERTION
★ 39,294

All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.

PostHog
PythonTypescriptRustHCL+37
Pipeshub

Pipeshub

Apache-2.0
★ 3,694

Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.

Pipeshub
PythonTypescriptShellHTML+30
Apache Pinot

Apache Pinot

Apache-2.0
★ 6,128

Sub-second SQL queries on fresh streaming data at petabyte scale, built for high-concurrency user-facing apps and AI agent backends.

Apache Pinot
JavaTypescriptScalaPython+13
Planka

Planka

NOASSERTION
★ 12,456

Self-hosted Kanban board for agile teams. Unlimited boards, real-time sync, GDPR-compliant, and available as a free Community Edition or paid Pro.

Planka
JavaScriptSCSSShellPython+14
Plane

Plane

AGPL-3.0
★ 58,381

Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.

Plane
TypescriptPythonHTMLShell+22
Phase

Phase

NOASSERTION
★ 910

Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.

Phase
TypescriptPythonHTMLJavaScript+19
Paperless-home

Paperless-home

GPL-3.0
★ 44,640

A powerful open-source solution for managing, organizing, and searching your digital documents with ease and efficiency.

Paperless-home
PythonTypescriptHTMLSCSS+15
Open WebUI

Open WebUI

NOASSERTION
★ 150,082

Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Open WebUI
PythonSvelteJavaScriptTypescript+14
OpenReplay

OpenReplay

NOASSERTION
★ 12,583

Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

OpenReplay
TypescriptGoPythonJavaScript+31
OpenLIT

OpenLIT

Apache-2.0
★ 2,719

Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.

OpenLIT
TypescriptPythonGoShell+27
OpenHands

OpenHands

MIT
★ 85,252

AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.

OpenHands
TypescriptJavaScriptShellPython+17
Opengrep

Opengrep

LGPL-2.1
★ 2,995

Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.

Opengrep
OCamlPythonJavaJavaScript+7
OpenComputer

OpenComputer

Apache-2.0
★ 499

Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.

OpenComputer
GoTypescriptShellPython+20
OpenBB

OpenBB

NOASSERTION
★ 72,360

Connects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.

OpenBB
PythonGitHubNodeJSGithub Actions+14
Open-Notebook

Open-Notebook

MIT
★ 37,723

Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.

Open-Notebook
TypescriptPythonShellJinja+19
Onyx

Onyx

NOASSERTION
★ 31,787

An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information

Onyx
PythonTypescriptGoJavaScript+26
Omnigent

Omnigent

Apache-2.0
★ 9,335

Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.

Omnigent
PythonTypescriptJavaScriptSwift+27
Odoo

Odoo

NOASSERTION
★ 53,981

Integrated suite of business apps covering accounting, CRM, inventory, eCommerce, HR, and project management, available free as Community or paid Enterprise edition.

Odoo
PythonJavaScriptSCSSFluent+6
Corpus

Corpus

AGPL-3.0
★ 13

Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.

Corpus
PythonTypescriptShellDockerfile+19
Novu

Novu

NOASSERTION
★ 39,678

Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

Novu
TypescriptJavaScriptPythonCSS+36
Nightingale

Nightingale

GPL-3.0
★ 1,423

AI-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.

Nightingale
TypescriptRustPythonShell+15
Neon Postgres

Neon Postgres

Apache-2.0
★ 22,969

Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Neon Postgres
RustPythonCDockerfile+12
mlop

mlop

Apache-2.0
★ 392

Open source ML experiment tracking platform with parameter and gradient logging, media tracking, real-time alerts, and full Weights & Biases API compatibility.

mlop
PythonShellGitHubNodeJS+7
Mole

Mole

GPL-3.0
★ 65,086

Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.

Mole
ShellGoPythonMakefile+6
Milvus

Milvus

Apache-2.0
★ 45,823

Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss

Milvus
GoC++PythonShell+6
MDMA

MDMA

MIT
★ 64

Markdown Document with Mounted Applications, the open-source format that turns AI responses into interactive documents. Forms, tables, approval gates and charts render straight from the chat, no custom UI per use case.

MDMA
TypescriptJavaScriptCSSPython+19
Memgraph

Memgraph

NOASSERTION
★ 4,364

Memgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.

Memgraph
C++PythonCypherGherkin+13
Mem0

Mem0

Apache-2.0
★ 64,166

Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.

Mem0
PythonTypescriptShellCSS+38
MaxKB

MaxKB

GPL-3.0
★ 22,625

Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.

MaxKB
PythonVueTypescriptSCSS+12
Mathesar

Mathesar

GPL-3.0
★ 5,107

A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

Mathesar
SvelteTypescriptPythonPLpgSQL+15
LocalAI

LocalAI

MIT
★ 48,701

Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.

LocalAI
GoJavaScriptC++Python+14
llama.cpp

llama.cpp

MIT
★ 125,883

C/C++ inference engine for large language models, supporting quantization, multi-GPU, Apple Silicon, and an OpenAI-compatible server across a wide range of hardware.

llama.cpp
C++CPythonCuda+16
Linkding

Linkding

MIT
★ 11,107

Minimal, fast bookmark manager with automatic metadata fetching, archiving, multi-user support, and browser extensions. Easy Docker setup with SQLite.

Linkding
PythonHTMLCSSJavaScript+9
Latitude

Latitude

MIT
★ 4,603

Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.

Latitude
TypescriptPythonRustShell+26
LangWatch

LangWatch

Apache-2.0
★ 3,514

Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.

LangWatch
TypescriptGherkinGoPython+18
LibreTranslate

LibreTranslate

AGPL-3.0
★ 16,138

Self-hosted machine translation API that works offline. Download, setup, and run your own translation server in minutes with complete privacy control.

LibreTranslate
PythonHTMLDockerfileCSS+6
LanguageTool

LanguageTool

LGPL-2.1
★ 14,876

Check grammar, punctuation, and spelling errors instantly with AI-powered technology. Supports 30+ languages with browser extensions and desktop apps.

LanguageTool
JavaHTMLPythonShell+9
Krita

Krita

GPL-3.0
★ 10,271

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

Krita
C++PythonCCMake+3
Keep

Keep

NOASSERTION
★ 12,255

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Keep
PythonTypescriptJavaScriptCSS+26
Khoj

Khoj

AGPL-3.0
★ 36,733

Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.

Khoj
PythonTypescriptCSSHTML+19
KeePassXC

KeePassXC

NOASSERTION
★ 28,556

KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.

KeePassXC
C++CMakePythonShell+5
Kdenlive

Kdenlive

GPL-3.0
★ 5,528

Cross-platform non-linear video editor offering professional features for free. Edit videos on Linux, Windows, macOS, and BSD with advanced tools and effects.

Kdenlive
C++QMLCMakePython+3
JumpServer

JumpServer

GPL-3.0
★ 31,459

Open-source privileged access management solution offering secure, browser-based access to SSH, RDP, Kubernetes, databases and remote applications.

JumpServer
PythonCSSShellGo+8
BookWyrm

BookWyrm

NOASSERTION
★ 2,773

Join a federated social reading platform where you can track books, write reviews, discover recommendations from friends, and connect with trusted reading communities.

BookWyrm
PythonHTMLJavaScriptShell+9
Jan

Jan

NOASSERTION
★ 44,205

Jan 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.

Jan
TypescriptRustSwiftPython+22
iTerm 2

iTerm 2

GPL-2.0
★ 17,973

Feature-rich terminal replacement for macOS with split panes, search, autocomplete, and extensive customization options for enhanced productivity.

iTerm 2
Objective-CSwiftPythonHTML+7
Infisical

Infisical

NOASSERTION
★ 28,987

End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Infisical
TypescriptGoGherkinPython+35
Immich

Immich

AGPL-3.0
★ 112,774

Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.

Immich
TypescriptDartSveltePython+25
Apache IoTDB

Apache IoTDB

Apache-2.0
★ 6,383

Apache IoTDB manages industrial IoT time-series data with high-throughput read/write, edge-cloud sync, ultra-high compression, and integrations with Hadoop, Spark, Flink, and Grafana.

Apache IoTDB
JavaPythonC++Shell+6
Hummingbot

Hummingbot

Apache-2.0
★ 19,643

Automate crypto trading strategies with a powerful, customizable platform. Connect to multiple exchanges and optimize your market making.

Hummingbot
PythonCythonC++Shell+9
Horilla

Horilla

LGPL-2.1
★ 1,343

Horilla is a free, open-source HRMS that streamlines HR processes, from recruitment to offboarding, with customizable modules.

Horilla
HTMLPythonJavaScriptCSS+17
Highlight

Highlight

NOASSERTION
★ 9,370

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Highlight
TypescriptGoJavaScriptPython+31
Helicone

Helicone

Apache-2.0
★ 6,106

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Helicone
TypescriptMDXPythonPLpgSQL+28
Healthchecks

Healthchecks

BSD-3-Clause
★ 10,289

Monitors cron jobs, background workers, and scheduled tasks by expecting periodic HTTP pings and alerting you when they stop arriving on time.

Healthchecks
PythonHTMLLessJavaScript+6
Hermes Agent

Hermes Agent

MIT
★ 237,137

Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.

Hermes Agent
PythonTypescriptJavaScriptShell+20
Helium

Helium

GPL-3.0
★ 19,902

Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.

Helium
C++PythonShellJavaScript+7
Tonkatsu Box

Tonkatsu Box

MIT
★ 517

Cross-platform collection manager for retro games, movies, TV shows, anime, manga, visual novels, and books with tier lists, visual boards, and import/export.

Tonkatsu Box
DartC++CMakePython+7
GreptimeDB

GreptimeDB

Apache-2.0
★ 6,576

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

GreptimeDB
RustPythonShellTypescript+10
GrowthBook

GrowthBook

NOASSERTION
★ 8,161

Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.

GrowthBook
TypescriptPythonSCSSJavaScript+37
GoRules

GoRules

MIT
★ 1,945

Model business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine anywhere.

GoRules
RustJavaScriptTypescriptPython+12
Authentik

Authentik

NOASSERTION
★ 25,186

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Authentik
PythonTypescriptRustJavaScript+18
Leon

Leon

MIT
★ 17,463

Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.

Leon
TypescriptPythonJavaScriptSass+17
Frappe Helpdesk

Frappe Helpdesk

AGPL-3.0
★ 3,341

Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.

Frappe Helpdesk
VuePythonTypescriptJavaScript+15
Frappe Insights

Frappe Insights

AGPL-3.0
★ 1,009

Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.

Frappe Insights
PythonVueTypescriptJavaScript+15
Fumadocs

Fumadocs

MIT
★ 12,998

A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.

Fumadocs
TypescriptMDXCSSPython+16
Frappe Builder

Frappe Builder

MIT
★ 2,309

Frappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.

Frappe Builder
PythonVueTypescriptJavaScript+17
Frappe CRM

Frappe CRM

AGPL-3.0
★ 3,403

A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.

Frappe CRM
VuePythonJavaScriptTypescript+17
Flexprice

Flexprice

AGPL-3.0
★ 4,453

A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Flexprice
GoShellPythonTypescript+11
Flagsmith

Flagsmith

BSD-3-Clause
★ 6,531

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Flagsmith
PythonTypescriptJavaScriptSCSS+17
FeatBit

FeatBit

MIT
★ 1,904

FeatBit is a fast, scalable feature flag service that enables risk mitigation and fosters business growth through controlled feature releases.

FeatBit
TypescriptC#PowerShellPython+23
Fincept Terminal

Fincept Terminal

NOASSERTION
★ 30,701

Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools

Fincept Terminal
C++PythonCMakeJupyter Notebook+10
Bacalhau

Bacalhau

Apache-2.0
★ 870

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

Bacalhau
GoPythonTypescriptHTML+17
ERPNext

ERPNext

GPL-3.0
★ 38,560

Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.

ERPNext
PythonJavaScriptTypescriptHTML+13
OceanBase

OceanBase

Apache-2.0
★ 10,256

Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

OceanBase
C++PythonYaccC+5
Logstash

Logstash

NOASSERTION
★ 14,927

Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired destination.

Logstash
JavaRubyShellPython+11
E2B

E2B

Apache-2.0
★ 13,563

Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100 companies.

E2B
PythonTypescriptDockerfileMakefile+16
dstack

dstack

MPL-2.0
★ 2,224

Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.

dstack
PythonTypescriptGoCSS+18
Dragonfly

Dragonfly

NOASSERTION
★ 31,045

Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.

Dragonfly
C++PythonCShell+13
Dokku

Dokku

MIT
★ 32,112

A Docker-powered platform that lets you deploy Heroku-compatible applications via Git, with buildpack support and container isolation.

Dokku
ShellGoMakefilePython+7
Docs

Docs

MIT
★ 16,755

Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

Docs
PythonTypescriptCSSGo Template+22
/dev/push

/dev/push

MIT
★ 4,743

An open-source alternative to Vercel and Render for deploying applications directly from GitHub with zero-config support.

/dev/push
PythonHTMLCSSShell+8
Dify

Dify

NOASSERTION
★ 153,656

Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.

Dify
TypescriptPythonJavaScriptGo+21
Databend

Databend

NOASSERTION
★ 9,424

Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

Databend
RustPythonShellLua+8
Crawl4AI

Crawl4AI

Apache-2.0
★ 79,509

Open-source web crawler and scraper that produces clean, structured output optimized for LLMs, RAG pipelines, and AI agents. Supports async crawling, CSS/XPath/LLM extraction, and stealth browser control.

Crawl4AI
PythonJavaScriptShellDockerfile+9
Deepnote

Deepnote

Apache-2.0
★ 2,998

Deepnote is an open-source collaborative notebook for data analysts and scientists, combining Python, SQL, AI assistance, and live sharing in one cloud platform.

Deepnote
TypescriptJupyter NotebookPythonJavaScript+12
CrateDB

CrateDB

Apache-2.0
★ 4,428

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

CrateDB
JavaPythonANTLRShell+4
Cossistant

Cossistant

AGPL-3.0
★ 715

Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Cossistant
TypescriptMDXCSSPython+31
CopilotKit

CopilotKit

MIT
★ 37,068

Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

CopilotKit
TypescriptMDXPythonShell+27
Continue

Continue

Apache-2.0
★ 35,644

Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.

Continue
TypescriptJavaScriptKotlinPython+39
CocoIndex

CocoIndex

Apache-2.0
★ 11,413

Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.

CocoIndex
RustPythonShellAstro+12
Apache Cloudberry

Apache Cloudberry

Apache-2.0
★ 1,374

Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Apache Cloudberry
CPLpgSQLC++Python+7
ClickHouse

ClickHouse

Apache-2.0
★ 49,481

High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.

ClickHouse
C++PythonShellAssembly+14
Checkmk

Checkmk

GPL-2.0
★ 2,349

Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.

Checkmk
PythonTypescriptVueC+++17
Ceph

Ceph

NOASSERTION
★ 16,969

Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.

Ceph
C++PythonTypescriptRaku+11
Pearl

Pearl

Apache-2.0
★ 1,094

Connect 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.

Pearl
TypescriptJavaScriptPythonCSS+31
Browser Use

Browser Use

MIT
★ 111,371

Python library that lets AI agents browse the web by giving them real browser control, DOM access, and the ability to interact with any website.

Browser Use
PythonShellDockerfileHTML+10
Baserow

Baserow

NOASSERTION
★ 5,734

Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

Baserow
PythonJavaScriptVueSCSS+18
Arize Phoenix

Arize Phoenix

NOASSERTION
★ 11,212

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Arize Phoenix
PythonTypescriptJupyter NotebookC+23
Anthias

Anthias

NOASSERTION
★ 3,654

Free open-source digital signage software that turns Raspberry Pi or old PCs into powerful display solutions. Manage images, videos, and web content easily.

Anthias
PythonHTMLShellC+++13
Agenta

Agenta

NOASSERTION
★ 4,557

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

Agenta
TypescriptPythonMDXShell+30
Aider

Aider

Apache-2.0
★ 48,528

Terminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.

Aider
PythonCSSShellTree-sitter Query+8
ActivityWatch

ActivityWatch

MPL-2.0
★ 18,729

Open-source, privacy-first automated time tracker for all platforms

ActivityWatch
PythonRustInno SetupBatchfile+7
Airbyte

Airbyte

NOASSERTION
★ 21,963

Seamlessly sync data from any source to any destination with a flexible, extensible platform that grows with your data needs.

Airbyte
PythonKotlinJavaMDX+13
aaPanel

aaPanel

NOASSERTION
★ 3,046

aaPanel simplifies Linux server management with one-click installations, intuitive interface, and comprehensive tools for websites, databases, and more.

aaPanel
JavaScriptPythonCSSHTML+7
Redash

Redash

BSD-2-Clause
★ 28,766

Redash is an open-source data visualization and analytics platform that helps teams make sense of their data through SQL queries and interactive dashboards.

Redash
PythonJavaScriptTypescriptLess+12
0 Finance

0 Finance

MIT
★ 249

CLI-first banking platform for AI agents and autonomous workflows

0 Finance
TypescriptSolidityJavaScriptPython+33
Agno

Agno

Apache-2.0
★ 41,939

Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.

Agno
PythonShellHTMLBatchfile+15
Warp

Warp

AGPL-3.0
★ 64,553

Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.

Warp
RustShellPythonObjective-C+12
InfluxDB

InfluxDB

Apache-2.0
★ 31,722

InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.

InfluxDB
RustAnswer Set ProgrammingPythonLinear Programming+7