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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Ant Design
An enterprise-class React UI library with 80+ high-quality, TypeScript-typed components and powerful theming.
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
react-beautiful-dnd
Beautiful and accessible drag and drop for lists with React
jsPDF
Client-side JavaScript library for generating PDF documents in the browser or Node.js.
Yjs
A high-performance CRDT that exposes shared data types for building conflict-free, real-time collaborative applications.
Datasets
One-line loading and fast, Arrow-backed processing for thousands of ML datasets
chroma.js
JavaScript library for color conversion, manipulation, and scale generation
Mammoth.js
Convert Word .docx documents into clean, semantic HTML and Markdown in JavaScript.
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
react-native-screens
Native navigation container primitives that make React Native screens render faster and use less memory.
jwt-decode
A lightweight TypeScript library for decoding JSON Web Token payloads and headers in the browser and Node.js.
tokio-tungstenite
Asynchronous, Tokio-native WebSocket streams built on tungstenite
sentry-sdk
The official Python SDK for Sentry error tracking, performance monitoring, and tracing.
ADM-ZIP
A pure JavaScript zip compression library for Node.js, with no native dependencies
react-stripe-js
Official React components and hooks for embedding Stripe.js and Stripe Elements in a React app.
serde_yaml
Strongly typed YAML serialization and deserialization for Rust, built on Serde
openapi-types
Type-safe TypeScript definitions for OpenAPI 2.0, 3.0, and 3.1 specification documents, covering paths, schemas, and components.
OpenRouter AI SDK Provider
The official OpenRouter provider for the Vercel AI SDK, unlocking 300+ LLMs through one unified TypeScript client.
i18next-http-backend
An i18next backend plugin that loads translation resources over HTTP using fetch or XMLHttpRequest, for Node.js, browsers, and Deno.
idna
Internationalized Domain Names for Python — IDNA 2008 and UTS #46 encoding and decoding
ajv-formats
ajv-formats: JSON Schema Format Validators for Ajv v8+
LangChain DeepSeek
The official LangChain integration package for DeepSeek chat and reasoning models.
Django
The high-level Python web framework that turns database models into secure, working web applications in record time.
Viper
A complete configuration solution for Go applications, merging flags, env vars, config files, and remote stores into one API.
