Directory

All Open Source Apps

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

748 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.

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98
Repo Health
81
Technical
77
Dependency
Built with
JavaScript 98%
Updated 5 days ago
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 1 weeks 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 4 days ago
Python
65%
Apache 2.0

Polar

Developer Tools · Ecommerce · Invoicing Finance

10,293

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 65%
TypeScript 28%
Updated 4 days ago
Python
65%
Apache 2.0

WrenAI

AI Agents · Analytics · Data Engineering

17,763

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.

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90
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
Updated 1 weeks ago
Python
62%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,918

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.

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89
Repo Health
91
Technical
65
Dependency
Built with
Python 62%
TypeScript 37%
Updated 5 days ago
Python
82%
Apache 2.0

headroom

AI Development · Developer Tools

73,966

Compress everything your AI agent reads — tool outputs, logs, RAG chunks, and files — before it reaches the LLM, achieving 60–95% fewer tokens with the same answers.

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85
Repo Health
86
Technical
69
Dependency
Built with
Python 82%
Rust 12%
Updated 5 days ago
Python
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,540

Secure, fast, and extensible sandbox runtime for AI agents with multi-language SDKs and Docker/Kubernetes runtimes.

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85
Repo Health
81
Technical
72
Dependency
Built with
Python 38%
Go 35%
Updated 4 days ago
Python
88%
Apache 2.0

sirchmunk

AI Development · Data Engineering

1,351

Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.

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84
Repo Health
70
Technical
72
Dependency
Built with
Python 88%
TypeScript 11%
Updated 1 weeks ago
Python
86%
Apache 2.0

knowhere

AI Development · AI Memory · Developer Tools

3,541

Transform messy, unstructured documents into persistent, navigable memory that AI agents can actually use.

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82
Repo Health
75
Technical
66
Dependency
Built with
Python 86%
HTML 14%
Updated 1 weeks ago
Python
63%
Apache 2.0

otari

AI Development · Developer Tools

494

A self-hosted, OpenAI-compatible LLM gateway that puts one endpoint in front of 40+ providers, with virtual API keys, per-user budgets enforced before spend, and full usage tracking.

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81
Repo Health
88
Technical
77
Dependency
Built with
Python 63%
TypeScript 35%
Updated 5 days ago
Python
59%
Apache 2.0

argilla

AI Development · Data Engineering

5,125

Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.

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65
Repo Health
81
Technical
61
Dependency
Built with
Python 59%
Jupyter Notebook 21%
Updated 1 weeks ago
Python
94%
Apache 2.0

SWIRL

Data Engineering · Databases · Search

3,047

Federated AI search and RAG across 100+ enterprise sources—no data extraction, no vector database required.

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62
Repo Health
83
Technical
65
Dependency
Built with
Python 94%
Updated 6 days ago
Python
100%
Apache 2.0

BotCity Framework

Automation · Developer Tools

144

Computer-vision powered Python framework for building RPA bots that click, type, and read any desktop, web, or terminal UI without needing an API.

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55
Repo Health
53
Technical
67
Dependency
Built with
Python 100%
Updated 1 months ago
Python
82%
Apache 2.0

codeindex

Developer Tools

273

A temporal code knowledge graph with blast-radius impact scoring, semantic symbol search, and git-history-aware dependency analysis for AI-assisted development — zero required runtime dependencies, SQLite-backed.

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34
Repo Health
73
Technical
0
Dependency
Built with
Python 82%
HTML 18%
Updated 3 months ago

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