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
All Packages
Kind1
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
Sort:Used by Most Apps
93Health
Tool
npm
Vitest
A blazing-fast unit testing framework powered by Vite, with Jest-compatible APIs out of the box.
17,098
MIT
Used by 294
94Health
Tool
npm
jest
Delightful JavaScript testing with zero-config setup, snapshots, mocking, and coverage
45,457
MIT
Used by 149
93Health
Tool
npm
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
51,007
MIT
Used by 38
95Health
Tool
npm
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
22,896
MIT
Used by 30
62Health
Tool
npm
c8
Native V8 code coverage for Node.js, with Istanbul-compatible reports and zero build-step setup.
2,121
Other
Used by 12
86Health
Tool
npm
start-server-and-test
Starts your dev server, waits for it to respond, runs your test command, then shuts the server down automatically.
1,581
MIT
Used by 9
