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Ecosystem Directory

Open Source Ecosystem Rankings

Benchmark welcoming repositories grouped by language ecosystem. Each ecosystem is scored from public GitHub PR merge history, maintainer turnaround velocity, and first-timer acceptance rates.

Updated daily with real GitHub activity

Browse by Ecosystem (14)

Active & Welcoming Projects

Python

/rankings/python

Fast-merging data science, web, and AI open-source libraries.

TypeScript

/rankings/typescript

Top frontend and fullstack repositories with active maintainers.

Go

Cloud-native, Kubernetes, and backend infrastructure tooling.

Rust

High-performance systems programming and CLI utilities.

Kotlin

/rankings/kotlin

Mobile & Backend

Android apps, Compose Multiplatform, and backend microservices.

Java

Distributed enterprise backends, Spring, and Android tools.

C#

/rankings/csharp

Modern .NET, game development, and enterprise applications.

C++

Game engines, graphics, and performance-critical systems.

Swift

/rankings/swift

iOS, macOS, and cross-platform Swift developer packages.

PHP

Modern PHP, Laravel, and Symfony open-source packages.

Ruby

Ruby on Rails ecosystem, developer tools, and gems.

Dart

Flutter mobile, desktop, and web component packages.

Elixir

/rankings/elixir

Phoenix framework, distributed computing, and OTP apps.

Zig

Next-generation systems software and lightweight tooling.