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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Zustand
A small, fast React state management library with a hook-based API and no boilerplate.
lint-staged
Run linters and formatters only against the files staged in git, so a slow full-project lint never blocks a commit.
node-postgres
Non-blocking PostgreSQL client for Node.js with pure JavaScript and native libpq bindings.
MCP TypeScript SDK
The official TypeScript SDK for building Model Context Protocol servers and clients.
cross-env
Cross-platform CLI for setting environment variables in npm scripts without worrying about Windows vs POSIX syntax.
TanStack Table
Headless, type-safe tables and datagrids for React, Vue, Solid, and more.
Sonner
An opinionated, animated toast notification component for React with a tiny imperative API.
ws
A simple, blazing-fast, thoroughly tested WebSocket client and server library for Node.js.
eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
user-event
Simulates the full sequence of real browser events so Testing Library tests behave the way an actual user does.
tailwindcss-typography
Beautiful typographic defaults for HTML you don't control, like Markdown or CMS output.
Marked
A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.
nanoid
A tiny, secure, URL-friendly unique string ID generator for JavaScript and TypeScript
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
semver
The semantic version parser and range matcher that powers npm itself.
i18next
The internationalization framework for JavaScript, with zero runtime dependencies and a pluggable ecosystem for every environment.
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
dnd-kit
A lightweight, extensible React library for building accessible drag-and-drop interfaces.
Nodemailer
The zero-dependency Node.js library for sending email over SMTP, SES, sendmail, and more.
AI SDK
Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.
