Top Open Source Projects using OpenTelemetry
A curated collection of the 57 best free and open-source projects built using OpenTelemetry. Discover popular repositories, architecture patterns, and trending software in 2026.
Zitadel
AGPL-3.0ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Usertour
NOASSERTIONOpen-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Instant
Apache-2.0Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Hexclave
NOASSERTIONSelf-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.
Flowglad
NOASSERTIONConnects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
VerifyWise
NOASSERTIONOpen-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.
Uptrace
AGPL-3.0Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.
UnInbox
NOASSERTIONStreamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.
Trigger
Apache-2.0Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
Teable
NOASSERTIONOpen-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.
Steel
Apache-2.0Open-source browser API designed for AI agents. Run headless browsers with built-in CAPTCHA solving, proxy support, and session management. Quick setup in under 1s.
Sayr
NOASSERTIONSource-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.
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.
Puter
AGPL-3.0Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.
PostHog
NOASSERTIONAll-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
OpenWork
NOASSERTIONDesktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.
OpenObserve
AGPL-3.0Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.
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.
OpenCode
MITOpen source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.
OneUptime
Apache-2.0All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
Omnigent
Apache-2.0Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.
Morphic
Apache-2.0Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
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.
LLM Gateway
NOASSERTIONRoute, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.
Lightdash
NOASSERTIONSelf-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.
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.
Langfuse
NOASSERTIONLangfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
Kodus
NOASSERTIONOpen source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.
Kilo
MITOpen source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
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.
PeerTube
AGPL-3.0Create your own video hosting platform with PeerTube - a free, open-source alternative to YouTube. Join 600,000+ videos across 1,000+ interconnected platforms without ads or tracking.
Infisical
NOASSERTIONEnd-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
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.
HyperDX
MITOpen source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.
Highlight
NOASSERTIONComprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Hatchet
MITDurable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.
Grafana
AGPL-3.0Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
GrowthBook
NOASSERTIONPowerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
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.
Flowise AI
NOASSERTIONOpen source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
FeatBit
MITFeatBit is a fast, scalable feature flag service that enables risk mitigation and fosters business growth through controlled feature releases.
FastGPT
NOASSERTIONFastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
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.
Dittofeed
MITDittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.
Continue
Apache-2.0Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Cline
Apache-2.0AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
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.
Cap
NOASSERTIONRecord your screen or webcam, edit with backgrounds and effects, then share via link. Built on Rust and Tauri for native performance on macOS and Windows.
Betterlytics
AGPL-3.0GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.
Arize Phoenix
NOASSERTIONOpen-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Anarlog
MITRecords system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.
AppSmith
Apache-2.0Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.
AITable
AGPL-3.0Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

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

n8n
NOASSERTIONBuild automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.