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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Tokio
The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.
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
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.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
fflate
High-performance DEFLATE, GZIP, Zlib, and ZIP compression for JavaScript in an 8kB package.
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
Tower
Modular, reusable Rust components for building async network clients and servers
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
Collision
Beautiful command-line error reporting for PHP apps and test suites
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.