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
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,405

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

View details
98
Repo Health
81
Technical
77
Dependency
Built with
JavaScript 98%
Updated 2 days ago
Python
58%
Apache 2.0

MLflow

AI Development · Monitoring

28,154

The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.

View details
97
Repo Health
86
Technical
66
Dependency
Built with
Python 58%
TypeScript 33%
Updated yesterday
JavaScript
93%
Apache 2.0

swagger-ui

Developer Tools

29,026

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

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97
Repo Health
83
Technical
65
Dependency
Built with
JavaScript 93%
Updated 4 days ago
Python
89%
Apache 2.0

Apache Airflow

Data Engineering

46,995

Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.

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96
Repo Health
89
Technical
64
Dependency
Built with
Python 89%
Updated yesterday
Python
47%
Other

Airbyte

Data Engineering · Developer Tools

22,143

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
67
Dependency
Built with
Python 47%
Kotlin 43%
Updated yesterday
Python
57%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,862

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 57%
TypeScript 41%
Updated yesterday
Python
91%
GPL 3.0

Weblate

Developer Tools

6,094

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
67
Dependency
Built with
Python 91%
Updated yesterday
PHP
93%
BSD 3

Appwrite

Authentication · Databases · Developer Tools

57,496

Open-source backend platform with Auth, Databases, Storage, Functions, Messaging, Realtime, and Sites — deploy via Docker or use Appwrite Cloud.

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94
Repo Health
81
Technical
65
Dependency
Built with
PHP 93%
Updated 2 days ago
Python
100%
Apache 2.0

ClearML

Automation · Devops

6,892

Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.

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94
Repo Health
79
Technical
68
Dependency
Built with
Python 100%
Updated 6 days ago
Java
70%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,558

Open-source BI tool with drag-and-drop dashboards, 20+ data source connectors, and AI-powered natural language queries — a self-hosted alternative to Tableau.

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94
Repo Health
71
Technical
65
Dependency
Built with
Java 70%
Vue 29%
Updated yesterday
Rust
98%
Other

Zed

Code Editors · Collaboration · Developer Tools

90,979

High-performance, multiplayer code editor built in Rust by the creators of Atom and Tree-sitter, with native AI integration and real-time collaboration.

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94
Repo Health
88
Technical
72
Dependency
Built with
Rust 98%
Updated yesterday
Python
100%
Apache 2.0

Agno

AI Development · Automation · Devops

42,358

Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.

View details
93
Repo Health
87
Technical
66
Dependency
Built with
Python 100%
Updated yesterday
Rust
95%
Other

Databend

Data Engineering · Databases

9,452

Open-source enterprise data warehouse unifying analytics, vector search, full-text search, and AI agent orchestration in a single Rust-built engine on S3.

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93
Repo Health
84
Technical
77
Dependency
Built with
Rust 95%
Updated yesterday
JavaScript
65%
Other

GDevelop

Design Tools · Developer Tools · Game Development

26,937

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 65%
C++ 23%
TypeScript 11%
Updated yesterday
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,388

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

View details
93
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 26%
Vue 15%
Updated 4 days ago
Rust
67%
MIT

Bun

Developer Tools

96,068

An all-in-one JavaScript and TypeScript toolkit — one Rust-and-JavaScriptCore binary that replaces Node.js, npm, a bundler, and a test runner with faster equivalents.

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92
Repo Health
91
Technical
64
Dependency
Built with
Rust 67%
C++ 19%
TypeScript 10%
Updated 2 days ago
PHP
81%
Apache 2.0

Coolify

Devops · Hosting Control Panel

62,328

Open-source self-hosted PaaS — deploy apps, databases and 280+ services on your own servers with no vendor lock-in

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92
Repo Health
86
Technical
70
Dependency
Built with
PHP 81%
Blade 16%
Updated 2 days ago
Java
96%
Apache 2.0

Copybara

Developer Tools

3,858

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 yesterday
Python
82%
MIT

LiteLLM

AI Development · Developer Tools

59,745

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 82%
TypeScript 12%
Updated yesterday
Rust
98%
GPL 3.0

Pake

Developer Tools

61,763

Turn any webpage into a lightweight native desktop app with one command — built on Rust/Tauri instead of Electron, producing installers nearly 20x smaller (typically under 10MB) for macOS, Windows, and Linux.

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92
Repo Health
75
Technical
73
Dependency
Built with
Rust 98%
Updated 4 days ago
Python
55%
Other

PostHog

Ab Testing Experimentation · Analytics · Developer Tools

39,975

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 55%
TypeScript 36%
Updated yesterday
Python
46%
Other

Redash

Analytics · Data Engineering

28,817

Redash lets anyone connect to 35+ SQL and NoSQL data sources, write a query in the browser, and turn the result into a shared dashboard — no separate BI suite required.

View details
92
Repo Health
74
Technical
60
Dependency
Built with
Python 46%
JavaScript 30%
TypeScript 17%
Updated yesterday
Python
79%
Apache 2.0

changedetection.io

Monitoring

34,605

Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.

View details
91
Repo Health
80
Technical
68
Dependency
Built with
Python 79%
Updated 4 days ago
JavaScript
99%
GPL 3.0

homepage

Monitoring · Productivity

32,888

A fast, fully static, and secure self-hosted startpage with Docker service discovery and integrations for over 160 services.

View details
91
Repo Health
86
Technical
71
Dependency
Built with
JavaScript 99%
Updated yesterday

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