Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Vitest
A blazing-fast unit testing framework powered by Vite, with Jest-compatible APIs out of the box.
Playwright
Cross-browser end-to-end web testing and browser automation with a single API for Chromium, Firefox, and WebKit.
jest
Delightful JavaScript testing with zero-config setup, snapshots, mocking, and coverage
concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
remark
A plugin-powered markdown processor that parses, transforms, and serializes markdown on top of unified.
open
Cross-platform Node.js library that opens URLs, files, and executables in the user's default or a specified app.
execa
A modern process-execution library for Node.js with template-string syntax and zero shell-injection risk.
unified
Parse, inspect, transform, and serialize content through syntax-tree plugins.
psutil
Cross-platform Python library for retrieving process and system utilization data.
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
Chai
BDD/TDD assertion library for Node.js and the browser, framework-agnostic
sysinfo
Cross-platform Rust library for fetching system information — CPU, memory, disks, processes, and networks
process
Lightweight browser polyfill for Node.js's process global, used by bundlers for isomorphic code