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
87%
GPL 3.0

NodeBB

Community

15,219

Modern Node.js forum software with real-time WebSockets, multi-database support, and a plugin ecosystem — the community platform built for the open web and the Fediverse.

View details
97
Repo Health
78
Technical
70
Dependency
Built with
JavaScript 87%
Go Template 12%
Updated 1 weeks ago
Python
79%
GPL 3.0

ERPNext

ERP · Invoicing Finance

39,224

100% free, open-source ERP unifying accounting, manufacturing, inventory, CRM, HR, and POS in a single self-hostable platform.

View details
96
Repo Health
77
Technical
74
Dependency
Built with
Python 79%
JavaScript 14%
Updated 1 weeks ago
Ruby
79%
GPL 3.0

OpenProject

Collaboration · Productivity · Project Management

16,100

The open source project management platform that unifies Gantt charts, agile boards, time tracking, and team collaboration under full self-hosted control.

View details
96
Repo Health
79
Technical
69
Dependency
Built with
Ruby 79%
TypeScript 13%
Updated 1 weeks ago
Python
91%
GPL 3.0

Weblate

Developer Tools

6,062

Continuous localization platform that commits translations directly into your version control system with full translator attribution.

View details
95
Repo Health
86
Technical
68
Dependency
Built with
Python 91%
Updated 1 weeks ago
Java
78%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,431

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.

View details
94
Repo Health
71
Technical
65
Dependency
Built with
Java 78%
Vue 22%
Updated 1 weeks ago
Python
100%
GPL 3.0

ComfyUI

AI Design Tools · AI Development

133,177

The most powerful node-based AI workflow engine for creating images, video, 3D models, and audio with full control over every generation step.

View details
92
Repo Health
81
Technical
75
Dependency
Built with
Python 100%
Updated 1 weeks ago
Python
73%
GPL 3.0

Frappe HR

Human Resources

8,791

Complete open-source HRMS for employee lifecycle, attendance, payroll, and performance — built on Frappe Framework with a mobile PWA.

View details
92
Repo Health
70
Technical
79
Dependency
Built with
Python 73%
JavaScript 15%
Updated 1 weeks ago
Python
84%
MIT

LiteLLM

AI Development · Developer Tools

58,741

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.

View details
92
Repo Health
81
Technical
69
Dependency
Built with
Python 84%
TypeScript 13%
Updated 1 weeks ago
Python
45%
GPL 3.0

MaxKB

AI Development · Knowledge Management

22,791

Build enterprise-grade AI agents with RAG, workflows & multi-modal support

View details
92
Repo Health
68
Technical
66
Dependency
Built with
Python 45%
Vue 37%
TypeScript 17%
Updated 1 weeks ago
Ruby
60%
MIT

OnetimeSecret

Security

2,934

Generate self-destructing single-use links to share passwords and sensitive data without leaving traces in inboxes or chat logs.

View details
92
Repo Health
81
Technical
73
Dependency
Built with
Ruby 60%
TypeScript 26%
Vue 10%
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
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
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
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
Python
68%
MIT

Langflow

AI Agents · AI Development

154,806

Build, test, and deploy AI agents and RAG workflows visually with native API and MCP server export.

View details
90
Repo Health
85
Technical
65
Dependency
Built with
Python 68%
TypeScript 23%
Updated 1 weeks ago
Python
76%
MIT

ArchiveBox

Bookmarks Archiving

28,433

Self-hosted web archiving that saves HTML, PDFs, screenshots, media, and code in open formats you own forever

View details
88
Repo Health
84
Technical
69
Dependency
Built with
Python 76%
HTML 12%
Updated 1 weeks ago
Python
99%
MIT

deepagents

AI Agents · AI Development

29,413

The batteries-included Python agent harness — planning, sub-agents, filesystem, shell, memory, and skills bundled in, built on LangGraph.

View details
88
Repo Health
83
Technical
70
Dependency
Built with
Python 99%
Updated 1 weeks ago
Python
49%
MIT

Docs

CMS · File Storage

16,815

Open-source collaborative knowledge platform with real-time editing, AI writing tools, and full self-hosting control — built by the French and German governments.

View details
88
Repo Health
81
Technical
68
Dependency
Built with
Python 49%
TypeScript 42%
Updated 1 weeks ago
Python
45%
MIT

Maltrail

Monitoring · Security

8,602

Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.

View details
87
Repo Health
59
Technical
100
Dependency
Built with
Python 45%
Rust 39%
Updated 1 weeks ago
JavaScript
62%
MIT

OpenWhispr

AI Assistants · Productivity · Voice AI

8,193

Privacy-first, cross-platform voice-to-text with local AI and cloud options

View details
87
Repo Health
80
Technical
72
Dependency
Built with
JavaScript 62%
TypeScript 34%
Updated 1 weeks ago
Python
95%
MIT

MemPalace

AI Agents · AI Development · AI Memory

59,058

Local-first AI memory with verbatim storage, pluggable backends, and 96.6% retrieval recall on LongMemEval — no API key required.

View details
85
Repo Health
84
Technical
71
Dependency
Built with
Python 95%
Updated 1 weeks ago
Python
98%
MIT

Agent Lightning

AI Development

18,115

A Microsoft-built training framework that optimizes AI agents with reinforcement learning, automatic prompt optimization, or supervised fine-tuning — with near-zero code changes to your existing agent, in any framework.

View details
84
Repo Health
68
Technical
69
Dependency
Built with
Python 98%
Updated 1 weeks ago
Ruby
51%
MIT

Campfire

Collaboration · File Storage · Team Chat

4,623

Self-hosted, single-tenant group chat with real-time rooms, direct messages, Web Push, and file sharing — no subscriptions, no external services.

View details
83
Repo Health
64
Technical
0
Dependency
Built with
Ruby 51%
HTML 22%
JavaScript 16%
Updated 1 weeks ago
Python
64%
MIT

Flowfile

Data Engineering

353

Visual ETL that compiles to Polars — build pipelines on a canvas, export as standalone Python, and run anywhere without platform lock-in.

View details
83
Repo Health
81
Technical
66
Dependency
Built with
Python 64%
Vue 18%
TypeScript 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