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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React Testing Library
Simple and complete React DOM testing utilities that encourage good testing practices.
testify
The essential Go toolkit for assertions, mocks, and structured test suites.
DOM Testing Library
Simple, framework-agnostic DOM query utilities that test your UI the way real users interact with it.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
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.
@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.
color
Colorized terminal output for Go with ANSI escape codes, 24-bit RGB, and built-in Windows support.
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
go-cmp
A safer, more powerful alternative to reflect.DeepEqual for comparing Go values in tests.
Redux
A predictable, framework-agnostic state container for JavaScript applications.
godotenv
A Go port of Ruby's dotenv that loads environment variables from .env files into your process, with zero third-party dependencies.
compress
A Go compression toolkit with a pure-Go Zstandard codec, S2 (a faster Snappy), and assembly-accelerated drop-in replacements for gzip, zip, zlib, and lzw.