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
testify
The essential Go toolkit for assertions, mocks, and structured test suites.
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
jwt
A zero-dependency Go implementation of JSON Web Tokens (JWT) with pluggable HMAC, RSA, RSA-PSS, ECDSA, and Ed25519 signing methods.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
AWS SDK for Go v2
The official AWS SDK for Go — type-safe, modular clients for every AWS service.
websocket
A fast, RFC 6455-compliant WebSocket implementation for Go with full control over framing, compression, and concurrency.
Cypress
Fast, easy, and reliable end-to-end and component testing for anything that runs in a browser.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
Logrus
Structured, pluggable logging for Go with a stdlib-compatible API and level-based hooks.
mux
A lightweight, http.Handler-compatible Go router that matches requests by path, host, method, headers, and query, and can reverse them back into URLs.
go-redis
The official, idiomatic Go client for Redis — connection pooling, Cluster, Sentinel, pipelines, and client-side caching built in.
Go-MySQL-Driver
A pure Go implementation of the MySQL wire protocol, used as the database/sql driver for MySQL, MariaDB, and TiDB.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
color
Colorized terminal output for Go with ANSI escape codes, 24-bit RGB, and built-in Windows support.
go-cmp
A safer, more powerful alternative to reflect.DeepEqual for comparing Go values in tests.
godotenv
A Go port of Ruby's dotenv that loads environment variables from .env files into your process, with zero third-party dependencies.
Chai
BDD/TDD assertion library for Node.js and the browser, framework-agnostic