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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tsx
A drop-in replacement for the node CLI that runs TypeScript and ESM files instantly, powered by esbuild.
Express
The fast, unopinionated, minimalist web framework for Node.js
ts-node
TypeScript execution engine and REPL for Node.js that runs .ts files directly, without a separate compile step.
lint-staged
Run linters and formatters only against the files staged in git, so a slow full-project lint never blocks a commit.
cross-env
Cross-platform CLI for setting environment variables in npm scripts without worrying about Windows vs POSIX syntax.
concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
jsonwebtoken
The de facto Node.js library for signing, verifying, and decoding JSON Web Tokens.
rimraf
Cross-platform recursive file and directory removal for Node.js, modeled on the UNIX `rm -rf` command.
Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
webpack-cli
The official command-line interface for webpack, adding build, watch, serve, and config-validation commands to any project.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
jose
Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.
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.
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
pino-pretty
A CLI and stream that prettifies Pino's ndjson log lines into readable, colorized terminal output for local development.
qrcode
A zero-dependency-on-canvas QR code and 2D barcode generator for Node.js and the browser.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.