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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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.
react-dropzone
A lightweight React hook for building HTML5-compliant drag-and-drop file upload zones.
uuid
Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.
prism-react-renderer
A lightweight, themeable Prism syntax highlighter for React and React Native, built on a render-props API.
React CodeMirror
A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
React Email
High-quality, unstyled React components for building responsive HTML emails
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.
Headless UI
Unstyled, fully accessible UI components for React and Vue, built for Tailwind CSS
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
Vaul
An unstyled, physics-based drawer component for React, built on Radix UI's Dialog primitive.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
Base UI
Unstyled, accessible React components and low-level hooks for building your own design system.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
input-otp
Accessible, unstyled one-time password input component for React with full keyboard, paste, and password-manager support.
prop-types
Runtime type checking for React component props, warning in development when data doesn't match the declared shape.
react-hotkeys-hook
A lightweight React hook for wiring up keyboard shortcuts in components declaratively.
form-data
Build readable multipart/form-data streams in Node.js for forms and file uploads
file-type
Detect the file type of a buffer, stream, or file by reading its magic number.
OpenTelemetry Auto-Instrumentations for Node.js
Zero-code observability for Node.js apps, bundling every OpenTelemetry contrib instrumentation into a single metapackage.
