Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

Kind1

Library4824 SDK549 Tool342 Framework214

Category

Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194

Tags4

React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192 Github39 Algorithm12 Javascript7 Statement2

Sort:Used by Most Apps

Used by Most Apps Health Score Most Stars A-Z

Showing 3 of 5929 packages

Framework Javascript Algorithm Github Statement Clear all

Chat SDK

A unified TypeScript SDK for building chat bots and AI agents across every major messaging platform

Primer CSS

GitHub's official Sass design system framework, providing utility classes and component styles for building GitHub-style interfaces.

Probot

A batteries-included Node.js framework for building and running GitHub Apps that react to repository and organization webhook events.

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