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 Flow
A highly customizable React library for building node-based editors, diagrams, and interactive flow charts.
Chart.js
Simple, flexible JavaScript charting for designers and developers
highlight.js
Zero-dependency JavaScript syntax highlighter with automatic language detection for over 190 languages.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
Pino
A super fast, low-overhead JSON logger for Node.js applications.
JSZip
Create, read, and edit ZIP files directly in JavaScript, in the browser or Node.js.
Fuse.js
Lightweight, zero-dependency fuzzy-search library for JavaScript and TypeScript, in the browser or on the server.
KaTeX
Fast, self-contained JavaScript library for print-quality LaTeX math rendering on the web.
url
A WHATWG-standard-compliant URL parser and manipulation library for Rust.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
chokidar
Minimal and efficient cross-platform file watching for Node.js.
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
Google Cloud Storage
Node.js client library for Google Cloud Storage — upload, download, and manage buckets and objects programmatically.
Drizzle ORM
A lightweight, zero-dependency TypeScript ORM with full SQL-like query flexibility
xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
TanStack Router
A fully type-safe React router with built-in data loading, caching, and URL search-param validation.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
RxJS
The standard library for composing asynchronous and event-based programs using observable sequences
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
