Directory

All Open Source Apps

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

746 apps
Updated continuously
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.

View details
92
Repo Health
80
Technical
65
Dependency
Built with
Python 54%
TypeScript 36%
Updated 1 weeks ago
Rust
90%
Apache 2.0

Qdrant

AI Development · Databases · Search

34,564

Open-source vector database and search engine built in Rust for production-grade AI applications — from semantic search to RAG pipelines and recommendation systems.

View details
92
Repo Health
87
Technical
65
Dependency
Built with
Rust 90%
Updated 1 weeks ago
JavaScript
86%
AGPL 3.0

SillyTavern

AI Assistants

33,368

The power-user LLM frontend that unifies dozens of AI backends with a rich scripting engine, immersive Visual Novel mode, and a thriving extension ecosystem.

View details
92
Repo Health
71
Technical
67
Dependency
Built with
JavaScript 86%
Updated 1 weeks ago
C++
48%
MIT

WickedEngine

Game Development

7,228

Open-source C++ 3D engine with DirectX 12, Vulkan, and Metal — featuring real-time ray tracing, PBR, ECS, Lua scripting, and cross-platform support for games and graphics applications.

View details
92
Repo Health
72
Technical
0
Dependency
Built with
C++ 48%
C 48%
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.

View details
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.

View details
91
Repo Health
82
Technical
63
Dependency
Built with
Python 63%
TypeScript 32%
Updated 1 weeks ago
JavaScript
68%
AGPL 3.0

Fleetbase

Logistics

3,048

Modular open-source logistics and supply chain operating system

View details
91
Repo Health
75
Technical
67
Dependency
Built with
JavaScript 68%
PHP 12%
Updated 2 weeks ago
Python
66%
BSD 3

Healthchecks

Devops · Monitoring

10,328

Open-source cron job and background task monitoring that alerts you when your scheduled jobs go silent.

View details
91
Repo Health
85
Technical
79
Dependency
Built with
Python 66%
HTML 20%
Updated 1 weeks ago
JavaScript
99%
GPL 3.0

homepage

Monitoring · Productivity

32,621

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 1 weeks ago
PHP
51%
MIT

Krayin CRM

CRM · Ecommerce

23,871

Free, open-source Laravel & Vue.js CRM for SMEs and enterprises to manage the complete customer lifecycle.

View details
91
Repo Health
68
Technical
70
Dependency
Built with
PHP 51%
Blade 43%
Updated 1 weeks ago
C++
77%
GPL 3.0

Manticore Search

Search

12,000

An open-source, C++ search database positioned as a faster, lighter alternative to Elasticsearch — supporting full-text, SQL, JSON, and vector/embedding search over a MySQL-compatible protocol.

View details
91
Repo Health
70
Technical
78
Dependency
Built with
C++ 77%
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.

View details
91
Repo Health
75
Technical
66
Dependency
Built with
Python 37%
Svelte 34%
JavaScript 21%
Updated 1 weeks ago
Python
62%
GPL 3.0

Paperless-ngx

Bookmarks Archiving

45,121

Turn your paper pile into a searchable digital archive with OCR, AI classification, and automated workflows — all running on your own server.

View details
91
Repo Health
88
Technical
67
Dependency
Built with
Python 62%
TypeScript 29%
Updated 1 weeks ago
PHP
100%
AGPL 3.0

Passbolt API

Password Manager · Security

6,120

Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.

View details
91
Repo Health
80
Technical
69
Dependency
Built with
PHP 100%
Updated 2 weeks ago
PHP
63%
AGPL 3.0

Pixelfed

Social Media

7,097

A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.

View details
91
Repo Health
68
Technical
65
Dependency
Built with
PHP 63%
Vue 27%
Blade 11%
Updated 1 weeks ago
Java
92%
Apache 2.0

QuestDB

Analytics · Databases

17,321

A high-performance, open-source time-series database built for financial market data, IoT telemetry, and real-time analytics, combining a zero-GC Java/C++ core with SIMD-accelerated SQL and a WAL-to-Parquet storage engine.

View details
91
Repo Health
86
Technical
68
Dependency
Built with
Java 92%
Updated 1 weeks ago
Java
97%
Other

SuperTokens

Authentication · Security

15,299

Open-source authentication platform you self-host, giving you complete control over user data with zero vendor lock-in.

View details
91
Repo Health
76
Technical
72
Dependency
Built with
Java 97%
Updated 1 weeks ago
Rust
47%
MIT

Svix

Automation · Developer Tools

3,404

Open source, self-hostable webhook infrastructure that handles delivery, retries, HMAC signing, and multi-tenant event management so you never have to build a webhooks system from scratch.

View details
91
Repo Health
77
Technical
67
Dependency
Built with
Rust 47%
C# 15%
Updated 1 weeks ago
JavaScript
76%
AGPL 3.0

Twake Drive

Collaboration · File Storage

981

Open-source, self-hosted file manager with collaborative drives, AI-powered summarization, and OnlyOffice document editing for teams who want full data sovereignty.

View details
91
Repo Health
78
Technical
72
Dependency
Built with
JavaScript 76%
TypeScript 23%
Updated 1 weeks ago
JavaScript
56%
MIT

Uptime Kuma

Monitoring

91,379

Self-hosted monitoring for every service you run — 23 monitor types, 95 notification channels, live dashboards, and public status pages with no vendor lock-in.

View details
91
Repo Health
81
Technical
63
Dependency
Built with
JavaScript 56%
Vue 41%
Updated 1 weeks ago
Rust
31%
Other

Windmill

Automation · Developer Tools

17,927

Turn scripts into webhooks, workflows, and auto-generated UIs — the fastest self-hostable workflow engine, 13x faster than Airflow.

View details
91
Repo Health
82
Technical
65
Dependency
Built with
Rust 31%
TypeScript 23%
Svelte 22%
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
JavaScript
99%
Other

ChartBrew

Analytics · Databases

4,058

Open-source reporting platform to build live dashboards from SQL, NoSQL, APIs, and SaaS tools with an AI assistant that creates charts from natural language.

View details
90
Repo Health
83
Technical
64
Dependency
Built with
JavaScript 99%
Updated 1 weeks ago
C++
74%
Other

Dragonfly

Databases · Developer Tools · Devops

31,519

A modern Redis and Memcached replacement engineered for multi-core servers — delivering 25x more throughput, better cache hit rates, and up to 80% lower memory consumption with full API compatibility.

View details
90
Repo Health
9
Technical
71
Dependency
Built with
C++ 74%
Python 16%
Updated 1 weeks 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