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

Tags3

React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192 Testing77 HTTPS29 Javascript7

Sort:Used by Most Apps

Used by Most Apps Health Score Most Stars A-Z

Showing 5 of 5929 packages

Framework HTTPS Javascript Testing Clear all

Playwright

Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.

pytest

The Python testing framework that makes writing small tests easy and scales to complex functional test suites.

Framework Composer

PHPUnit

The de facto standard, programmer-oriented unit testing framework for PHP.

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

Ginkgo

A mature, BDD-style testing framework for Go that pairs with Gomega to write expressive, parallelizable specs.

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