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.
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.
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.
sha2
Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.
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.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
bcrypt.js
A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
prisma-cli
The unified Prisma CLI — one binary for ORM migrations, Composer apps, and the Prisma Developer Platform.
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.
