Directory

All Open Source Apps

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

746 apps
Updated continuously
JavaScript
93%
Apache 2.0

swagger-ui

Developer Tools

29,010

Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.

View details
98
Repo Health
83
Technical
65
Dependency
Built with
JavaScript 93%
Updated 1 weeks ago
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,412

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

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97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Python
50%
Other

Airbyte

Data Engineering · Developer Tools

22,063

Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.

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95
Repo Health
80
Technical
66
Dependency
Built with
Python 50%
Kotlin 41%
Updated 1 weeks ago
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.

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95
Repo Health
80
Technical
69
Dependency
Built with
Python 58%
TypeScript 41%
Updated 1 weeks ago
Python
91%
GPL 3.0

Weblate

Developer Tools

6,062

Continuous localization platform that commits translations directly into your version control system with full translator attribution.

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95
Repo Health
86
Technical
68
Dependency
Built with
Python 91%
Updated 1 weeks ago
JavaScript
55%
AGPL 3.0

ToolJet

AI Agents · Low Code Platforms · No Code Platforms

40,917

Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.

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94
Repo Health
81
Technical
63
Dependency
Built with
JavaScript 55%
TypeScript 38%
Updated 1 weeks ago
JavaScript
64%
Other

GDevelop

Design Tools · Developer Tools · Game Development

26,529

No-code, open-source game engine for building 2D, 3D and multiplayer games — publish to iOS, Android, Steam and the web.

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93
Repo Health
82
Technical
61
Dependency
Built with
JavaScript 64%
C++ 23%
TypeScript 12%
Updated 1 weeks ago
Java
96%
Apache 2.0

Copybara

Developer Tools

3,840

Google's internal tool, open-sourced, for transforming and moving code between repositories — keeping a confidential and public repo in sync, importing external contributions into an authoritative repo, or migrating code once.

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92
Repo Health
72
Technical
0
Dependency
Built with
Java 96%
Updated 1 weeks ago
Python
84%
MIT

LiteLLM

AI Development · Developer Tools

58,741

Open source AI gateway and Python SDK that gives you one OpenAI-compatible interface to call 100+ LLM providers, with built-in routing, cost tracking, guardrails, and virtual keys.

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92
Repo Health
81
Technical
69
Dependency
Built with
Python 84%
TypeScript 13%
Updated 1 weeks ago
Python
64%
Other

Onyx

AI Agents · AI Assistants · Knowledge Management

32,087

Self-hostable AI platform with agentic RAG, 50+ connectors, deep research, code execution, and support for every major LLM provider.

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92
Repo Health
83
Technical
68
Dependency
Built with
Python 64%
TypeScript 27%
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.

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92
Repo Health
80
Technical
65
Dependency
Built with
Python 54%
TypeScript 36%
Updated 1 weeks ago
JavaScript
95%
MIT

AnythingLLM

AI Assistants · Automation · Developer Tools

66,023

The all-in-one AI platform for private document chat, no-code agents, and local LLMs with zero setup friction.

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91
Repo Health
78
Technical
64
Dependency
Built with
JavaScript 95%
Updated 1 weeks ago
Python
63%
BSD 3

Flagsmith

Ab Testing Experimentation · Developer Tools · Devops

6,550

Open-source feature flagging, remote config, and A/B/multivariate testing platform for web, mobile, and server-side apps — self-host or use the hosted SaaS.

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91
Repo Health
82
Technical
63
Dependency
Built with
Python 63%
TypeScript 32%
Updated 1 weeks ago
Python
37%
Other

Open WebUI

AI Agents · AI Assistants

152,062

The extensible, privacy-first AI platform that runs Ollama, OpenAI, and any LLM backend behind a polished, feature-packed web interface.

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91
Repo Health
75
Technical
66
Dependency
Built with
Python 37%
Svelte 34%
JavaScript 21%
Updated 1 weeks ago
Python
65%
Apache 2.0

WrenAI

AI Agents · Analytics · Data Engineering

17,637

Open-source GenBI engine that lets AI agents turn natural-language questions into governed SQL, charts, and shareable dashboards across 20+ data sources — no vendor lock-in, no black-box prompts.

View details
91
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
Updated 1 weeks ago
Python
68%
MIT

Langflow

AI Agents · AI Development

154,806

Build, test, and deploy AI agents and RAG workflows visually with native API and MCP server export.

View details
90
Repo Health
85
Technical
65
Dependency
Built with
Python 68%
TypeScript 23%
Updated 1 weeks ago
Python
61%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,765

A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.

View details
90
Repo Health
91
Technical
65
Dependency
Built with
Python 61%
TypeScript 37%
Updated 1 weeks ago
Python
64%
Apache 2.0

Polar

Developer Tools · Ecommerce · Invoicing Finance

10,258

Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.

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90
Repo Health
82
Technical
66
Dependency
Built with
Python 64%
TypeScript 29%
Updated 1 weeks ago
Python
79%
AGPL 3.0

Skyvern

AI Agents · Automation

23,003

Skyvern (YC S2023) automates browser-based workflows by pairing LLMs with computer vision, letting agents click, fill, and extract data on sites they've never seen, without brittle XPath selectors that break on every layout change.

View details
89
Repo Health
82
Technical
70
Dependency
Built with
Python 79%
TypeScript 19%
Updated 1 weeks ago
Python
70%
AGPL 3.0

Tracecat

AI Agents · Automation · Security

3,802

Open-source agentic security automation platform that runs AI agents and durable workflows at scale with sandboxed execution.

View details
89
Repo Health
88
Technical
66
Dependency
Built with
Python 70%
TypeScript 28%
Updated 1 weeks ago
Python
99%
MIT

deepagents

AI Agents · AI Development

29,413

The batteries-included Python agent harness — planning, sub-agents, filesystem, shell, memory, and skills bundled in, built on LangGraph.

View details
88
Repo Health
83
Technical
70
Dependency
Built with
Python 99%
Updated 1 weeks ago
Ruby
67%
Other

GitLab

Developer Tools · Devops

24,540

The complete DevOps platform that unifies Git hosting, CI/CD, issue tracking, and security scanning into a single self-hostable application.

View details
87
Repo Health
86
Technical
68
Dependency
Built with
Ruby 67%
JavaScript 20%
Updated 1 weeks ago
Python
94%
BSD 3

skrub

Developer Tools

1,651

Turn messy real-world dataframes into machine learning features — no manual wrangling required.

View details
87
Repo Health
84
Technical
80
Dependency
Built with
Python 94%
Updated 1 weeks ago
Java
96%
Apache 2.0

XPipe

Developer Tools · Devops · Networking

14,532

A local desktop hub that unifies SSH, Docker, Kubernetes, VMs, and remote desktops into one interface — no agents, no remote setup.

View details
87
Repo Health
78
Technical
0
Dependency
Built with
Java 96%
Updated 1 weeks ago

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