Directory

All Open Source Apps

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

745 apps
Updated continuously
PHP
100%
MIT

Flarum

Community

16,403

Delightfully simple, extensible forum software built on PHP and Mithril — beautiful out of the box, powerful when you need it.

View details
71
Repo Health
67
Technical
100
Dependency
Built with
PHP 100%
Updated 1 months ago
Python
82%
Other

fish-speech

AI Development · Developer Tools · Voice AI

32,864

SOTA open-source dual-autoregressive text-to-speech model with rapid voice cloning, inline emotion tags, and real-time streaming inference across 80+ languages.

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69
Repo Health
71
Technical
73
Dependency
Built with
Python 82%
TypeScript 14%
Updated 1 weeks ago
Python
94%
MIT

Stealth Browser MCP

Developer Tools · Mcp

2,156

An MCP server giving AI agents real, undetectable browser automation — built on nodriver and Chrome DevTools Protocol to navigate sites protected by Cloudflare and other anti-bot systems for automation and testing workflows.

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69
Repo Health
66
Technical
74
Dependency
Built with
Python 94%
Updated 3 days ago
PHP
63%
AGPL 3.0

Hyvor Relay

AI Development · Devops · Monitoring

908

Self-hosted, open-source email API that automates DNS, manages SMTP delivery, and provides deep observability — replacing SES, Mailgun, and SendGrid with infrastructure you fully own.

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68
Repo Health
79
Technical
70
Dependency
Built with
PHP 63%
Svelte 23%
Go 11%
Updated 3 days ago
Java
76%
Apache 2.0

Nubase

AI Development · Low Code Platforms

624

Turn AI-written code into real apps — an open-source, self-hostable backend with Database, Auth, Storage, Memory, Functions, Assets, AI Gateway, and cron built for AI coding agents.

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68
Repo Health
76
Technical
74
Dependency
Built with
Java 76%
TypeScript 21%
Updated 1 months ago
Python
74%
Apache 2.0

OpenKB

Knowledge Management

4,579

An open-source CLI that compiles raw documents into a structured, interlinked wiki-style knowledge base using LLMs — powered by vectorless, reasoning-based retrieval (PageIndex) instead of a vector database.

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68
Repo Health
72
Technical
77
Dependency
Built with
Python 74%
TypeScript 23%
Updated 2 months ago
JavaScript
90%
Other

CodeSandbox

Code Editors · Developer Tools

13,650

Instantly ready browser-based IDE that runs full npm dependency resolution and transpilation entirely client-side, with no server needed.

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67
Repo Health
76
Technical
62
Dependency
Built with
JavaScript 90%
Updated 3 weeks ago
Python
58%
MIT

Docglow

Data Engineering

147

A next-generation documentation site generator for dbt Core projects — lineage explorer, health scoring, and full-text search for teams without access to dbt Cloud's built-in docs features.

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67
Repo Health
65
Technical
82
Dependency
Built with
Python 58%
TypeScript 42%
Updated 2 days ago
Python
68%
BSD 3

Fortress

Automation · Browser · Developer Tools

664

A stealth Chromium engine that corrects the browser fingerprint inside the C++ engine itself, so scrapers and browser agents stop getting blocked, with a 29-tool MCP server for AI agents.

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67
Repo Health
78
Technical
0
Dependency
Built with
Python 68%
JavaScript 12%
Shell 12%
Updated 2 months ago
Swift
99%
Other

Ghost Pepper

AI Assistants · Voice AI

3,192

A 100% private, on-device macOS dictation and meeting-transcription app — hold Control to talk, transcribes and pastes locally via Apple Silicon with no cloud APIs or data leaving your Mac.

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67
Repo Health
68
Technical
0
Dependency
Built with
Swift 99%
Updated 2 months ago
PHP
65%
AGPL 3.0

LinkStack

Marketing

3,888

Self-hosted, privacy-focused Linktree alternative with themes, analytics, and a drag-and-drop admin panel.

View details
66
Repo Health
56
Technical
68
Dependency
Built with
PHP 65%
Blade 35%
Updated 2 months 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
83%
MIT

Gemma Multimodal Fine-Tuner

AI Development

1,503

An Apple-Silicon-native LoRA fine-tuning tool for Gemma on text, image, and audio data — with a wizard CLI, live browser-based training visualizer, and streaming from GCS/BigQuery for datasets too large for local disk.

View details
65
Repo Health
68
Technical
72
Dependency
Built with
Python 83%
Updated 2 days ago
Python
99%
GPL 3.0

tilf

Design Tools · Game Development

472

Single-executable pixel art editor that starts instantly with no accounts, no setup, and no internet required.

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65
Repo Health
44
Technical
0
Dependency
Built with
Python 99%
Updated 2 months ago
Python
99%
Apache 2.0

Rasa Open Source

AI Assistants · AI Development · Voice AI

21,332

Rasa Open Source is a Python machine learning framework for building contextual, multi-turn chatbots and voice assistants that understand natural language and maintain conversation state.

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64
Repo Health
78
Technical
63
Dependency
Built with
Python 99%
Updated 2 months ago
Python
51%
AGPL 3.0

Khoj

AI Assistants · Knowledge Management · Productivity

37,526

A self-hostable AI second brain that chats with your documents, searches the web, builds custom agents, and runs entirely on your own LLM.

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63
Repo Health
82
Technical
66
Dependency
Built with
Python 51%
TypeScript 36%
Updated 1 months ago
Python
56%
MIT

Foxel

File Storage

1,063

Self-hosted private cloud storage with AI semantic search and a pluggable multi-backend file management system.

View details
62
Repo Health
68
Technical
76
Dependency
Built with
Python 56%
TypeScript 41%
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 2 days ago
JavaScript
54%
MIT

GPU Hot

Devops · Monitoring

1,633

Real-time NVIDIA GPU monitoring dashboard — self-hosted, scale from 1 to 100+ GPUs with sub-second metrics and no cloud dependency.

View details
60
Repo Health
73
Technical
79
Dependency
Built with
JavaScript 54%
Python 34%
Updated 1 months ago
Python
66%
Other

Morphik

AI Development · Databases · Search

3,716

Morphik is an AI-native ingestion and retrieval engine that lets developers store, search, and reason over visually rich documents — scanned PDFs, manuals, slides, and video — without duct-taping together OCR, an embedding model, and a vector database.

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60
Repo Health
71
Technical
67
Dependency
Built with
Python 66%
TypeScript 23%
Updated 3 days ago
Java
34%
Apache 2.0

Enso

Analytics · Data Engineering · Low Code Platforms

7,441

A visual and textual programming platform for data prep and analysis where the node graph and the underlying Enso code are always perfectly in sync, built by an Alteryx co-founder on a GraalVM engine.

View details
59
Repo Health
90
Technical
62
Dependency
Built with
Java 34%
TypeScript 27%
Scala 26%
Updated 1 months ago
Python
97%
MIT

local-deep-researcher

AI Assistants · AI Development

9,357

A fully local web research assistant that iteratively searches, summarizes, and refines markdown reports using any Ollama or LMStudio model—no cloud or API keys required.

View details
59
Repo Health
74
Technical
76
Dependency
Built with
Python 97%
Updated 1 weeks ago
JavaScript
92%
MIT

AudioMass

Design Tools

2,997

A free, full-featured web-based audio and waveform editor that runs entirely in the browser — no plugins, no installs, just open and edit.

View details
56
Repo Health
68
Technical
0
Dependency
Built with
JavaScript 92%
Updated 1 months ago
Python
62%
MIT

AutoGen

AI Development · Automation

61,194

Build autonomous and human-in-the-loop multi-agent AI systems with a layered, event-driven Python and .NET framework pioneered at Microsoft Research.

View details
56
Repo Health
78
Technical
73
Dependency
Built with
Python 62%
C# 25%
TypeScript 12%
Updated 5 months ago

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