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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postcss
A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
Express
The fast, unopinionated, minimalist web framework for Node.js
Sass
The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
Octokit REST
The official GitHub REST API client for JavaScript and TypeScript, with a typed method for every endpoint.
Guzzle
An extensible PHP HTTP client for sending requests and integrating with web services
azcore
The core HTTP pipeline, credentials, and error types shared by every Azure SDK for Go client library.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.