Directory

All Open Source Apps

Every app scored on repo health, technical quality, and dependency risk — before you install anything.

746 apps
Updated continuously
Category1
Developer Tools199 AI Development98 AI Agents86 Devops82 Analytics65 Monitoring59 Automation57 AI Assistants53 Productivity53 Databases52 Security51 AI Code Assistants36
Language5
Typescript270 Go99 Python94 Rust62 Javascript40 PHP35 C++20 Ruby14 Java12 Vue8 C#6 HTML6
License1
Mit207 Apache 2.0173 Other155 Agpl 3.0131 Gpl 3.039 Bsd 3 Clause11 Mpl 2.09 Gpl 2.05 Zlib2 Bsd 2 Clause1 Epl 2.01 Cc0 1.01
Sort:Health Score
Health Score Technical Score Most Stars A-Z Recently Added
Showing 5 of 746 apps
Monitoring Ruby Python Javascript Java Rust Other Clear all
Python
58%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,778

Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.

View details
95
Repo Health
80
Technical
69
Dependency
Built with
Python 58%
TypeScript 41%
Updated 1 weeks ago
Python
54%
Other

PostHog

Ab Testing Experimentation · Analytics · Developer Tools

39,797

The all-in-one open source product platform combining analytics, session replay, feature flags, error tracking, AI observability, and a built-in data warehouse in a single self-hostable stack.

View details
92
Repo Health
80
Technical
65
Dependency
Built with
Python 54%
TypeScript 36%
Updated 1 weeks ago
Python
64%
Other

Keep

Automation · Devops · Monitoring

12,313

The open-source AIOps and alert management platform that unifies 130+ monitoring tools into a single pane of glass with AI-powered correlation, deduplication, and workflow automation.

View details
90
Repo Health
79
Technical
66
Dependency
Built with
Python 64%
TypeScript 36%
Updated 1 weeks ago
Python
48%
Other

Arize Phoenix

Analytics · Devops · Monitoring

11,463

Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.

View details
90
Repo Health
88
Technical
67
Dependency
Built with
Python 48%
TypeScript 41%
Updated 1 weeks ago
Python
84%
Other

Bugsink

Developer Tools · Monitoring

2,070

Self-hosted error tracking that accepts Sentry SDKs out of the box, so you keep your instrumentation and drop the monthly bill.

View details
84
Repo Health
80
Technical
71
Dependency
Built with
Python 84%
HTML 15%
Updated 1 weeks ago

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers