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
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,290

Secure, fast, and extensible sandbox runtime for AI agents with multi-language SDKs and Docker/Kubernetes runtimes.

View details
85
Repo Health
81
Technical
72
Dependency
Built with
Python 38%
Go 37%
Updated 1 weeks ago
Python
74%
AGPL 3.0

OpenViking

AI Development · AI Memory · Databases

37,271

An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.

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85
Repo Health
75
Technical
65
Dependency
Built with
Python 74%
Rust 13%
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.

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84
Repo Health
68
Technical
69
Dependency
Built with
Python 98%
Updated 1 weeks ago
Python
84%
Other

Bugsink

Developer Tools · Monitoring

2,070

Self-hosted error tracking that accepts Sentry SDKs out of the box, so you keep your instrumentation and drop the monthly bill.

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84
Repo Health
80
Technical
71
Dependency
Built with
Python 84%
HTML 15%
Updated 1 weeks ago
Go
49%
Other

Cosmos-Server

Authentication · Security

6,156

All-in-one self-hosted home server with SmartShield anti-DDoS, Nebula mesh VPN, automatic HTTPS, and a 250-app marketplace — all secured behind a unified auth layer.

View details
84
Repo Health
59
Technical
64
Dependency
Built with
Go 49%
JavaScript 48%
Updated 2 weeks ago
Ruby
64%
AGPL 3.0

Forem

Blogging · Community

22,774

Open source Ruby on Rails platform for building developer communities with articles, discussions, and social profiles—the same software that powers dev.to.

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84
Repo Health
79
Technical
67
Dependency
Built with
Ruby 64%
JavaScript 19%
HTML 13%
Updated 1 weeks ago
Go
86%
Apache 2.0

Uncloud

Devops

5,491

Deploy and scale containerised apps across any servers without Kubernetes or Swarm overhead

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84
Repo Health
78
Technical
67
Dependency
Built with
Go 86%
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.

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83
Repo Health
64
Technical
0
Dependency
Built with
Ruby 51%
HTML 22%
JavaScript 16%
Updated 1 weeks ago
Java
48%
Apache 2.0

ClearFlask

Community · Product Management

451

Open-source feedback management and roadmap tool that lets product teams collect, prioritize, and respond to user input — with AI-powered summarization and full self-hosting control.

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83
Repo Health
73
Technical
62
Dependency
Built with
Java 48%
TypeScript 47%
Updated 2 weeks ago
Go
33%
Apache 2.0

CubeSandbox

AI Agents · Developer Tools · Security

12,344

Instant, concurrent, hardware-isolated MicroVM sandboxes for AI agents — E2B-API compatible, sub-60ms cold starts, and a built-in zero-trust egress proxy, all self-hostable at scale.

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83
Repo Health
88
Technical
63
Dependency
Built with
Go 33%
Rust 26%
C 23%
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
Python
85%
Apache 2.0

knowhere

AI Development · AI Memory · Developer Tools

3,298

Transform messy, unstructured documents into persistent, navigable memory that AI agents can actually use.

View details
83
Repo Health
75
Technical
69
Dependency
Built with
Python 85%
HTML 14%
Updated 1 weeks ago
Go
95%
MIT

cli

Developer Tools · Team Chat

17,186

The official Lark/Feishu CLI tool built for both humans and AI agents, delivering 200+ commands and 26 AI agent skills across 18 business domains from messaging and calendar to docs, sheets, and approvals.

View details
83
Repo Health
83
Technical
74
Dependency
Built with
Go 95%
Updated 1 weeks ago
Python
64%
MIT

LibrePhotos

File Storage

8,072

Self-hosted photo library with AI-powered face recognition, semantic search, and automatic event albums — no cloud required.

View details
83
Repo Health
78
Technical
66
Dependency
Built with
Python 64%
TypeScript 33%
Updated 1 weeks ago
Python
45%
Other

Redash

Analytics · Data Engineering

28,794

Redash lets anyone connect to 35+ SQL and NoSQL data sources, write a query in the browser, and turn the result into a shared dashboard — no separate BI suite required.

View details
83
Repo Health
74
Technical
60
Dependency
Built with
Python 45%
JavaScript 31%
TypeScript 17%
Updated 3 weeks ago
JavaScript
94%
MIT

Another Redis Desktop Manager

Databases · Developer Tools

34,759

Fast, stable Redis GUI with cluster, SSH, and massive key support

View details
82
Repo Health
56
Technical
67
Dependency
Built with
JavaScript 94%
Updated 1 months ago
Python
100%
MIT

Graphify

AI Agents

116,767

A YC-backed, open-source knowledge graph skill for AI coding assistants — type /graphify and it maps your entire project (code, docs, PDFs, images, videos) into a queryable graph instead of grepping through files.

View details
82
Repo Health
73
Technical
73
Dependency
Built with
Python 100%
Updated 1 weeks ago
Go
75%
Other

Notifuse

Marketing

2,198

Open-source, self-hosted alternative to Mailchimp, Brevo, and Klaviyo — send newsletters and transactional emails without per-email pricing or vendor lock-in.

View details
82
Repo Health
80
Technical
66
Dependency
Built with
Go 75%
TypeScript 23%
Updated 1 weeks ago
Go
70%
Apache 2.0

open-code-review

Developer Tools · Devops

25,995

The AI code review agent born at Alibaba's scale — combining deterministic engineering with LLM intelligence for precise, token-efficient reviews.

View details
82
Repo Health
83
Technical
80
Dependency
Built with
Go 70%
JavaScript 13%
TypeScript 12%
Updated 1 weeks ago
Go
91%
Apache 2.0

Ory Kratos

Authentication

13,877

API-first identity and user management that handles login, registration, MFA, and recovery so your application never has to.

View details
82
Repo Health
78
Technical
65
Dependency
Built with
Go 91%
Updated 1 months ago
Python
59%
Apache 2.0

otari

AI Development · Developer Tools

461

A self-hosted, OpenAI-compatible LLM gateway that puts one endpoint in front of 40+ providers, with virtual API keys, per-user budgets enforced before spend, and full usage tracking.

View details
82
Repo Health
88
Technical
77
Dependency
Built with
Python 59%
TypeScript 39%
Updated 1 weeks ago
JavaScript
63%
AGPL 3.0

overleaf

Collaboration · Productivity

18,131

Open-source, real-time collaborative LaTeX editor with sandboxed compilation and full TeXLive support for self-hosted academic and research teams.

View details
82
Repo Health
80
Technical
62
Dependency
Built with
JavaScript 63%
TypeScript 29%
Updated 2 months ago
Python
87%
Apache 2.0

sirchmunk

AI Development · Data Engineering

1,282

Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.

View details
82
Repo Health
70
Technical
72
Dependency
Built with
Python 87%
TypeScript 12%
Updated 2 weeks ago
Python
53%
AGPL 3.0

Speakr

AI Assistants

3,743

Self-hosted AI transcription with speaker diarization, smart tagging, and multi-user collaboration — your recordings stay on your infrastructure.

View details
82
Repo Health
79
Technical
69
Dependency
Built with
Python 53%
HTML 25%
JavaScript 18%
Updated 3 weeks ago

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