Directory

All Open Source Apps

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

747 apps
Updated continuously
Go
98%
Apache 2.0

Space Cloud

Authentication · Devops

4,002

Kubernetes-native serverless platform that generates instant GraphQL and REST APIs for any database with built-in auth and real-time subscriptions

View details
50
Repo Health
74
Technical
63
Dependency
Built with
Go 98%
Updated 2 years ago
JavaScript
100%
Other

Automatisch

Automation · No Code Platforms

13,979

Self-hosted, no-code workflow automation that keeps your data on your own servers—a privacy-first alternative to Zapier with 90+ integrations.

View details
49
Repo Health
78
Technical
62
Dependency
Built with
JavaScript 100%
Updated 7 months ago
Go
93%
MIT

Plandex

AI Code Assistants

15,667

An open-source, terminal-based AI coding agent built for large tasks and real codebases — with its own version control for plans, a 2M-token effective context window, and self-hosted or cloud deployment.

View details
49
Repo Health
70
Technical
67
Dependency
Built with
Go 93%
Updated 12 months ago
JavaScript
53%
MPL 2.0

Markdown Task Manager

Developer Tools · Productivity · Project Management

535

A single-file, local-first Kanban board that turns plain Markdown files into a drag-and-drop task manager, with no server, database, or account required.

View details
48
Repo Health
53
Technical
0
Dependency
Built with
JavaScript 53%
HTML 41%
Updated 3 months ago
Python
100%
MIT

Ossature

AI Development

201

An open-source build system that turns written specs and architecture into working code — an LLM generates code under tight constraints, task by task with narrow context windows, instead of attempting an entire codebase at once.

View details
48
Repo Health
70
Technical
78
Dependency
Built with
Python 100%
Updated 1 months ago
Go
77%
AGPL 3.0

dsforms

Forms Surveys

6

Self-hosted form backend for static sites — one Go binary, one SQLite file, with spam quarantine, waitlists, webhooks, and email notifications.

View details
47
Repo Health
86
Technical
63
Dependency
Built with
Go 77%
HTML 15%
Updated 1 weeks ago
Go
51%
MIT

Fathom Lite

Analytics

8,022

A simple, self-hosted website analytics tool built with Go and Preact that lets you understand your traffic without handing data to third parties.

View details
47
Repo Health
67
Technical
67
Dependency
Built with
Go 51%
JavaScript 31%
CSS 15%
Updated 6 months ago
PHP
75%
MIT

SendPortal

Marketing

2,176

Self-hosted email marketing with full data control, multi-workspace isolation, and seamless integration with Amazon SES, SendGrid, Mailgun, and more

View details
47
Repo Health
59
Technical
72
Dependency
Built with
PHP 75%
Blade 25%
Updated 2 years ago
Python
59%
Other

Arkon

AI Assistants · Knowledge Management · Mcp

1,463

Self-hosted enterprise AI knowledge hub that compiles internal docs into a scoped, reviewable wiki and serves it to Claude and other LLMs through an MCP server.

View details
46
Repo Health
74
Technical
70
Dependency
Built with
Python 59%
TypeScript 41%
Updated 3 months ago
JavaScript
81%
MIT

localforge

AI Agents · AI Code Assistants · Developer Tools

399

A local, multi-provider AI coding agent with a real desktop and web UI — bring your own Anthropic, OpenAI, Gemini, Bedrock, or local Ollama keys and let it read, edit, and run code in your own project folder.

View details
46
Repo Health
54
Technical
73
Dependency
Built with
JavaScript 81%
CSS 12%
Updated 1 years ago
Go
90%
Apache 2.0

Warrant

Authentication · Security

1,337

A Google Zanzibar-inspired authorization service for defining, checking, and auditing fine-grained access control across your applications.

View details
45
Repo Health
73
Technical
72
Dependency
Built with
Go 90%
Updated 9 months ago
Python
44%
MIT

/dev/push

Developer Tools · Devops

4,757

Self-hosted, open-source Vercel alternative that deploys Python, Node.js, PHP, and any Docker-compatible app from a Git push, with zero-downtime rollouts and real-time logs.

View details
44
Repo Health
68
Technical
73
Dependency
Built with
Python 44%
HTML 31%
CSS 17%
Updated 7 months ago
Python
97%
MIT

auto-news

AI Assistants · Productivity

908

An AI-powered personal news aggregator that filters multi-source feeds through LLMs and delivers curated, noise-free summaries to your Notion workspace.

View details
43
Repo Health
53
Technical
66
Dependency
Built with
Python 97%
Updated 1 years ago
JavaScript
88%
GPL 3.0

Glass by Pickle

AI Assistants

7,604

A privacy-first desktop AI assistant that sees your screen, hears your meetings, and turns live context into structured summaries—without sending a single byte to the cloud.

View details
43
Repo Health
76
Technical
68
Dependency
Built with
JavaScript 88%
TypeScript 12%
Updated 11 months ago
Go
99%
Apache 2.0

Tusk

AI Code Assistants · Developer Tools · Devops

143

Record live API traffic and replay it as deterministic, sandboxed tests, plus AI code review and unit test generation, all from one Go CLI built by YC W2024's Use-Tusk.

View details
43
Repo Health
77
Technical
76
Dependency
Built with
Go 99%
Updated 4 months ago
Python
100%
MIT

Unlimited OCR

AI Development

26,444

Baidu's open-source OCR model for "one-shot, long-horizon parsing" — published with an arXiv paper, a Hugging Face model release, and vLLM inference support, aimed at document understanding beyond typical page-by-page OCR limits.

View details
43
Repo Health
69
Technical
0
Dependency
Built with
Python 100%
Updated 2 months ago
Go
79%
MIT

seonaut

Developer Tools · Marketing

795

Self-hosted SEO auditing that crawls your entire website and surfaces critical issues — broken links, duplicate meta tags, redirect loops, and more — before they hurt your rankings.

View details
42
Repo Health
77
Technical
67
Dependency
Built with
Go 79%
HTML 17%
Updated 4 months ago
JavaScript
100%
AGPL 3.0

Social Analyzer

Security

24,134

Find and analyze a person's digital footprint across 1000+ social media platforms using multi-layer detection, OCR, and metadata extraction.

View details
42
Repo Health
52
Technical
68
Dependency
Built with
JavaScript 100%
Updated 8 months ago
Python
76%
Apache 2.0

Second Me

AI Assistants · Productivity

15,690

Train a locally hosted AI twin on your own memories—then connect it to the world through a decentralized identity network.

View details
41
Repo Health
75
Technical
67
Dependency
Built with
Python 76%
TypeScript 19%
Updated 1 years ago
Go
99%
Apache 2.0

klaw

AI Agents · Devops

636

kubectl for AI Agents — manage, schedule, and scale your AI workforce with a single binary that deploys in seconds.

View details
38
Repo Health
74
Technical
82
Dependency
Built with
Go 99%
Updated 6 months ago
JavaScript
50%
AGPL 3.0

QRev

AI Agents · CRM

363

Open source AI-first sales platform that replaces Salesforce with autonomous agents handling prospecting, outreach, and lead management at scale.

View details
38
Repo Health
68
Technical
63
Dependency
Built with
JavaScript 50%
Python 28%
TypeScript 14%
Updated 7 months ago
JavaScript
98%
Other

Markdrop

Note Taking

361

Visual drag-and-drop markdown editor with GitHub-specific blocks, cloud sync, and offline PWA support

View details
37
Repo Health
57
Technical
69
Dependency
Built with
JavaScript 98%
Updated 6 months ago
Python
89%
AGPL 3.0

clarity-upscaler

AI Design Tools · Design Tools

5,138

Free open-source AI image upscaler reaching 13K resolution using Stable Diffusion, ControlNet, and Tiled Diffusion — a self-hostable alternative to Magnific.

View details
36
Repo Health
49
Technical
68
Dependency
Built with
Python 89%
Updated 1 years ago
Swift
100%
MIT

Recap

AI Assistants · Productivity

716

Privacy-first macOS meeting recorder that transcribes and summarizes your calls locally using WhisperKit and Ollama — no data ever leaves your Mac.

View details
36
Repo Health
65
Technical
0
Dependency
Built with
Swift 100%
Updated 7 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