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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TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
Radix UI
Unstyled, accessible React UI primitives for building your own design system.
tsx
A drop-in replacement for the node CLI that runs TypeScript and ESM files instantly, powered by esbuild.
uuid
RFC9562-compliant UUID generation for JavaScript and TypeScript.
eslint-config-prettier
Disables ESLint stylistic rules that conflict with Prettier, so the two tools never fight over formatting.
React Router
A multi-strategy router for React, from a lightweight library to a full SSR framework.
jest-dom
Custom Jest matchers for asserting on the state of the DOM in your tests.
react-markdown
Safely render Markdown as React elements, no dangerouslySetInnerHTML required
@babel/core
The core JavaScript compiler that transforms next-generation syntax into code every browser and runtime can understand.
Express
The fast, unopinionated, minimalist web framework for Node.js
Next.js
The React framework for production: file-based routing, server rendering, and Rust-powered builds.
remark-gfm
Add GitHub Flavored Markdown support to remark for tables, task lists, footnotes, and strikethrough.
jest
Delightful JavaScript testing with zero-config setup, snapshots, mocking, and coverage
Motion
A hybrid JavaScript and React animation library built for 120fps gestures, springs, and layout transitions.
esbuild
An extremely fast JavaScript and CSS bundler and minifier written in Go.
DOMPurify
DOM-only, uber-tolerant XSS sanitizer for HTML, MathML, and SVG that runs in the browser and on the server.
cmdk
Fast, unstyled command menu and combobox primitives for React.
posthog-js
The official browser SDK for PostHog — autocapture, session replay, feature flags, and surveys in one drop-in script.
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
Recharts
A composable charting library for React, built on D3 and SVG.
globals
A single JSON file of global identifiers for every JavaScript environment, used by ESLint and other static analysis tools.
eslint-plugin-react
React-specific linting rules for ESLint that catch JSX bugs, enforce Hooks conventions, and keep prop usage consistent.
ts-node
TypeScript execution engine and REPL for Node.js that runs .ts files directly, without a separate compile step.
