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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.

57 projects indexedExplore all tech stacks →
Zitadel

Zitadel

AGPL-3.0
14,870

ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Zitadel
GoTypescriptMDXHTML+28
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
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
Hexclave

Hexclave

NOASSERTION
6,841

Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.

Hexclave
TypescriptMDXSwiftJavaScript+32
Flowglad

Flowglad

NOASSERTION
1,718

Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.

Flowglad
TypescriptMDXPLpgSQLCSS+47
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
Uptrace

Uptrace

AGPL-3.0
4,270

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Uptrace
GoVueTypescriptHTML+17
UnInbox

UnInbox

NOASSERTION
1,757

Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.

UnInbox
TypescriptJavaScriptCSSGitHub+23
Trigger

Trigger

Apache-2.0
16,137

Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Trigger
TypescriptJavaScriptShellCSS+37
Teable

Teable

NOASSERTION
21,721

Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Teable
TypescriptJavaScriptCSSPLpgSQL+32
Steel

Steel

Apache-2.0
7,547

Open-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.

Steel
TypescriptEJSCSSDockerfile+22
Sayr

Sayr

NOASSERTION
20

Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Sayr
TypescriptAstroMDXHTML+23
Rocket.Chat

Rocket.Chat

NOASSERTION
46,033

Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Rocket.Chat
TypescriptJavaScriptHTMLSCSS+27
Puter

Puter

AGPL-3.0
43,275

Puter 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.

Puter
TypescriptJavaScriptCSSHTML+23
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
OpenWork

OpenWork

NOASSERTION
23,111

Desktop 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.

OpenWork
TypescriptJavaScriptMDXCSS+29
OpenObserve

OpenObserve

AGPL-3.0
21,502

Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

OpenObserve
TypescriptRustVueJavaScript+20
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
OpenCode

OpenCode

MIT
201,854

Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.

OpenCode
TypescriptMDXCSSHTML+24
OneUptime

OneUptime

Apache-2.0
7,523

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

OneUptime
TypescriptEJSShellJavaScript+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
Morphic

Morphic

Apache-2.0
9,067

Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.

Morphic
TypescriptCSSJavaScriptDockerfile+25
Maple

Maple

NOASSERTION
1,728

Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

Maple
TypescriptRustAstroSwift+23
LLM Gateway

LLM Gateway

NOASSERTION
1,577

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.

LLM Gateway
TypescriptMDXShellJavaScript+30
Lightdash

Lightdash

NOASSERTION
6,094

Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.

Lightdash
TypescriptHTMLCSSShell+37
LibreChat

LibreChat

MIT
42,511

Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.

LibreChat
TypescriptJavaScriptGoCSS+34
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
Langfuse

Langfuse

NOASSERTION
33,799

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

Langfuse
TypescriptJavaScriptShellCSS+39
Kodus

Kodus

NOASSERTION
1,326

Open source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.

Kodus
TypescriptJavaScriptShellHTML+42
Kilo

Kilo

MIT
27,041

Open 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.

Kilo
TypescriptKotlinCSSHTML+25
Karakeep

Karakeep

AGPL-3.0
28,623

Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.

Karakeep
TypescriptShellJavaScriptDockerfile+29
PeerTube

PeerTube

AGPL-3.0
15,277

Create 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.

PeerTube
TypescriptHTMLSCSSShell+17
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
HyperDX

HyperDX

MIT
9,865

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

HyperDX
TypescriptJavaScriptSCSSShell+25
Highlight

Highlight

NOASSERTION
9,370

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

Highlight
TypescriptGoJavaScriptPython+31
Hatchet

Hatchet

MIT
7,797

Durable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.

Hatchet
GoPLpgSQLTypescriptShell+27
Grafana

Grafana

AGPL-3.0
76,446

Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.

Grafana
TypescriptGoPLpgSQLCUE+26
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
Frontman

Frontman

NOASSERTION
679

Open-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.

Frontman
ReScriptElixirAstroPHP+22
Flowise AI

Flowise AI

NOASSERTION
55,399

Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

Flowise AI
TypescriptJavaScriptHTMLHandlebars+54
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
FastGPT

FastGPT

NOASSERTION
29,486

FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.

FastGPT
TypescriptMDXRustJavaScript+29
Ever Teams

Ever Teams

AGPL-3.0
545

Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.

Ever Teams
TypescriptJavaScriptCSSHTML+34
Dittofeed

Dittofeed

MIT
2,914

Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

Dittofeed
TypescriptMDXCSSJavaScript+33
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
Cline

Cline

Apache-2.0
66,966

AI 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.

Cline
TypescriptJavaScriptCSSRust+25
Cherry Studio

Cherry Studio

AGPL-3.0
51,129

Desktop 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.

Cherry Studio
TypescriptJavaScriptCSSHTML+27
Cap

Cap

NOASSERTION
21,271

Record 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.

Cap
RustTypescriptJavaScriptMDX+34
Betterlytics

Betterlytics

AGPL-3.0
174

GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Betterlytics
TypescriptRustJavaScriptCSS+33
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
Anarlog

Anarlog

MIT
9,184

Records system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.

Anarlog
TypescriptRustPLpgSQLMDX+27
AppSmith

AppSmith

Apache-2.0
40,755

Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.

AppSmith
TypescriptJavaJavaScriptCSS+26
AITable

AITable

AGPL-3.0
15,576

Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

AITable
TypescriptJavaLessJavaScript+30
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
AgentOS

AgentOS

Apache-2.0
619

Open-source TypeScript AI agent framework for building adaptive autonomous agents

AgentOS
TypescriptJavaScriptGitHubNodeJS+16
n8n

n8n

NOASSERTION
202,578

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

n8n
TypescriptVueJavaScriptSCSS+26