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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Mermaid
Generate flowcharts, sequence diagrams, and 20+ other diagram types from markdown-like text
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
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.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
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.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
xterm.js
A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.
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.
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.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
remark
A plugin-powered markdown processor that parses, transforms, and serializes markdown on top of unified.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
reflect-metadata
A polyfill for the Metadata Reflection API that powers decorator metadata in TypeScript and JavaScript.
react-hotkeys-hook
A lightweight React hook for wiring up keyboard shortcuts in components declaratively.
unified
Parse, inspect, transform, and serialize content through syntax-tree plugins.
