Directory

All Open Source Apps

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

746 apps
Updated continuously
Go
97%
Apache 2.0

Docker (Moby)

Developer Tools · Devops

72,104

The open-source container engine at the heart of Docker — a modular toolkit of runtime, build, and networking components for assembling container-based systems.

View details
98
Repo Health
86
Technical
69
Dependency
Built with
Go 97%
Updated 1 weeks ago
JavaScript
93%
Apache 2.0

swagger-ui

Developer Tools

29,010

Transform OpenAPI specifications into interactive, browser-based API documentation that developers and consumers can explore and test live.

View details
98
Repo Health
83
Technical
65
Dependency
Built with
JavaScript 93%
Updated 1 weeks ago
JavaScript
98%
Apache 2.0

Parse Server

Databases · Developer Tools

21,412

Self-hosted Backend-as-a-Service for Node.js with REST, GraphQL, real-time Live Query, cloud code, and pluggable adapters for any infrastructure.

View details
97
Repo Health
81
Technical
78
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Go
98%
Other

Tyk API Gateway

Developer Tools · Devops

10,823

Cloud-native, high-performance open-source API gateway for REST, GraphQL, gRPC, and TCP — built in Go since 2014 with no feature lockout.

View details
97
Repo Health
78
Technical
66
Dependency
Built with
Go 98%
Updated 1 weeks ago
Python
50%
Other

Airbyte

Data Engineering · Developer Tools

22,063

Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.

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95
Repo Health
80
Technical
66
Dependency
Built with
Python 50%
Kotlin 41%
Updated 1 weeks ago
Python
58%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,778

Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.

View details
95
Repo Health
80
Technical
69
Dependency
Built with
Python 58%
TypeScript 41%
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.

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95
Repo Health
86
Technical
68
Dependency
Built with
Python 91%
Updated 1 weeks ago
Go
75%
AGPL 3.0

Coder

Code Editors · Developer Tools · Devops

14,463

Self-hosted cloud development environments and AI coding agents — defined in Terraform, connected via WireGuard, automatically shut down when idle.

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93
Repo Health
90
Technical
65
Dependency
Built with
Go 75%
TypeScript 23%
Updated 1 weeks ago
JavaScript
64%
Other

GDevelop

Design Tools · Developer Tools · Game Development

26,529

No-code, open-source game engine for building 2D, 3D and multiplayer games — publish to iOS, Android, Steam and the web.

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93
Repo Health
82
Technical
61
Dependency
Built with
JavaScript 64%
C++ 23%
TypeScript 12%
Updated 1 weeks ago
Go
83%
MIT

Gitea

Developer Tools · Devops · Project Management

57,984

Self-hosted DevOps in a single Go binary — Git hosting, GitHub Actions-compatible CI/CD, and 30+ package registries without any SaaS dependency.

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93
Repo Health
79
Technical
64
Dependency
Built with
Go 83%
Updated 1 weeks ago
Java
96%
Apache 2.0

Copybara

Developer Tools

3,840

Google's internal tool, open-sourced, for transforming and moving code between repositories — keeping a confidential and public repo in sync, importing external contributions into an authoritative repo, or migrating code once.

View details
92
Repo Health
72
Technical
0
Dependency
Built with
Java 96%
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.

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92
Repo Health
81
Technical
69
Dependency
Built with
Python 84%
TypeScript 13%
Updated 1 weeks ago
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
Go
90%
AGPL 3.0

Pyroscope

Developer Tools · Devops · Monitoring

11,658

An open-source, horizontally scalable continuous profiling platform that pinpoints CPU, memory, and I/O bottlenecks down to the exact line of code, built by Grafana Labs alongside Loki, Tempo, and Mimir.

View details
92
Repo Health
89
Technical
65
Dependency
Built with
Go 90%
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
Go
79%
Apache 2.0

Dolt

Data Engineering · Databases · Developer Tools

24,440

The SQL database you can branch, merge, diff, and clone — Git for your data, MySQL-compatible and ready for multi-agent AI workflows.

View details
91
Repo Health
9
Technical
65
Dependency
Built with
Go 79%
Shell 19%
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
Go
95%
Apache 2.0

Nakama

Developer Tools · Game Development

13,330

Open-source game backend server with built-in multiplayer, matchmaking, leaderboards, chat, authentication, and storage — deploy anywhere via Docker or binary.

View details
91
Repo Health
73
Technical
73
Dependency
Built with
Go 95%
Updated 2 weeks ago
Go
99%
Apache 2.0

Okteto

Developer Tools · Devops

3,546

Develop applications directly inside your Kubernetes cluster with real-time file sync and instant hot-reload — no more docker build/redeploy cycles.

View details
91
Repo Health
79
Technical
68
Dependency
Built with
Go 99%
Updated 1 weeks ago
Go
56%
AGPL 3.0

Unkey

Developer Tools

5,435

An open-source developer platform for API infrastructure — issue and verify API keys, enforce global rate limits, route traffic through a gateway, and get per-key analytics and audit logs.

View details
91
Repo Health
70
Technical
68
Dependency
Built with
Go 56%
TypeScript 43%
Updated 1 weeks ago
Go
73%
Other

Flipt

Developer Tools · Devops

4,898

Git-native feature flag platform that stores, versions, and deploys feature toggles directly in your own Git repositories with no external database required.

View details
90
Repo Health
83
Technical
69
Dependency
Built with
Go 73%
TypeScript 26%
Updated 1 weeks ago
Python
61%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,765

A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.

View details
90
Repo Health
91
Technical
65
Dependency
Built with
Python 61%
TypeScript 37%
Updated 1 weeks ago
Go
70%
MIT

Ollama

AI Development · Developer Tools

180,970

Run Llama, Gemma, DeepSeek, and other open LLMs on your own machine with one command and an OpenAI-compatible API.

View details
90
Repo Health
85
Technical
67
Dependency
Built with
Go 70%
C 21%
Updated 1 weeks ago
Python
64%
Apache 2.0

Polar

Developer Tools · Ecommerce · Invoicing Finance

10,258

Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.

View details
90
Repo Health
82
Technical
66
Dependency
Built with
Python 64%
TypeScript 29%
Updated 1 weeks ago

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