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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diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
Electron
Build cross-platform desktop apps with JavaScript, HTML, and CSS on Chromium and Node.js
tempfile
A secure, cross-platform Rust library for temporary files and directories that clean up automatically on drop.
JSZip
Create, read, and edit ZIP files directly in JavaScript, in the browser or Node.js.
base64
Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.
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.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
sha2
Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
regex
Rust's finite-automata regex engine with guaranteed linear-time matching and no catastrophic backtracking.
Chrono
Timezone-aware date and time handling for Rust, with correct calendar operations and flexible strftime-style formatting.
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.
uuid
Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.
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.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
Embla Carousel React
A lightweight, dependency-free React hook for building fluid, touch-precise carousels and sliders.
tracing
Structured, application-level diagnostics for async Rust programs, built around scoped spans and events.
bcrypt.js
A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.
core-js
Modular standard library and polyfills for JavaScript, from ECMAScript features to proposals and web standards.