Directory

All Open Source Apps

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

745 apps
Updated continuously
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.

View details
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 3 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.

View details
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.

View details
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.

View details
63
Repo Health
82
Technical
66
Dependency
Built with
Python 51%
TypeScript 36%
Updated 1 months ago
HTML
62%
MIT

LittleLink

Marketing

3,089

The lightest self-hosted Linktree alternative — 100+ branded buttons, dark/light themes, and zero JavaScript required.

View details
63
Repo Health
51
Technical
0
Dependency
Built with
HTML 62%
CSS 37%
Updated 2 months ago
Rust
92%
Apache 2.0

Murr

Databases

111

A RocksDB-based NVMe/S3 cache purpose-built for AI inference workloads — a faster Redis replacement optimized for batch, low-latency, zero-copy reads and writes between data pipelines and inference apps.

View details
63
Repo Health
72
Technical
76
Dependency
Built with
Rust 92%
Updated 2 weeks 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
77
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.

View details
62
Repo Health
83
Technical
65
Dependency
Built with
Python 94%
Updated 3 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.

View details
60
Repo Health
71
Technical
67
Dependency
Built with
Python 66%
TypeScript 23%
Updated 4 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
61
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
75
Dependency
Built with
Python 97%
Updated 1 weeks ago
Rust
93%
Other

Tabby

AI Code Assistants

33,892

Self-hosted AI coding assistant — run GitHub Copilot-grade code completion on your own hardware with no cloud dependency.

View details
58
Repo Health
78
Technical
61
Dependency
Built with
Rust 93%
Updated 3 months 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
Rust
43%
BSD 3

MicroBin

File Storage

4,571

A self-contained, encrypted paste bin and file-sharing app in Rust with animal-name URLs, burn-after-read, and one-command Docker deployment.

View details
56
Repo Health
67
Technical
71
Dependency
Built with
Rust 43%
HTML 28%
JavaScript 20%
Updated 3 weeks ago
Rust
77%
AGPL 3.0

Spacedrive

Collaboration · File Storage

39,041

One file manager for all your devices and clouds — powered by a Virtual Distributed File System built in Rust.

View details
56
Repo Health
84
Technical
63
Dependency
Built with
Rust 77%
TypeScript 20%
Updated 2 months 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.

View details
55
Repo Health
53
Technical
67
Dependency
Built with
Python 100%
Updated 1 months ago
Rust
64%
MIT

dif

Ab Testing Experimentation · Developer Tools

25

Feature flags and A/B tests that live in your repo as Markdown files — one CLI command to install, no signup, no dashboard to rot.

View details
53
Repo Health
72
Technical
0
Dependency
Built with
Rust 64%
TypeScript 32%
Updated 1 weeks ago
Rust
79%
Apache 2.0

TensorZero

Ab Testing Experimentation · AI Development · Monitoring

11,717

TensorZero unifies the LLM gateway, observability, evaluation, optimization, and experimentation stack behind a single OpenAI-compatible API, built in Rust for sub-millisecond p99 latency.

View details
53
Repo Health
87
Technical
69
Dependency
Built with
Rust 79%
TypeScript 15%
Updated 3 months ago
Rust
47%
MIT

Kuku

Note Taking

225

A local-first, open-source Markdown knowledge workspace for macOS — plain files, personal wiki and Second Brain workflows, AI-assisted diffs, and encrypted sync, built as an Obsidian alternative.

View details
52
Repo Health
67
Technical
67
Dependency
Built with
Rust 47%
TypeScript 40%
Updated 3 weeks ago
Ruby
70%
AGPL 3.0

Maybe

Authentication · Databases · Invoicing Finance

54,263

Self-hostable personal finance app that gives you full ownership of your financial data with a clean, minimal Rails-powered interface.

View details
52
Repo Health
82
Technical
0
Dependency
Built with
Ruby 70%
HTML 23%
Updated 1 years ago
Rust
89%
Apache 2.0

OpenFang

AI Agents

18,210

An open-source "Agent Operating System" built in Rust — a single binary providing a kernel, memory, skills, extensions, and multi-channel runtime for running AI agents, with 1,700+ tests and zero clippy warnings.

View details
52
Repo Health
73
Technical
68
Dependency
Built with
Rust 89%
Updated 2 months 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