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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tRPC Server
Build end-to-end typesafe APIs in TypeScript with no schemas, no code generation, and zero runtime bloat.
@svgr/core
The Node.js API that converts raw SVG markup into optimized, ready-to-use React components.
Create React App
Zero-configuration CLI that bootstraps a React single-page app in one command
Material UI
A comprehensive React component library implementing Google's Material Design, battle-tested and production-ready out of the box.
Gunicorn
A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.
OpenTelemetry Python SDK
The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs
React Native
Build native iOS and Android apps from a single React codebase using the components and patterns you already know.
styled-components
Write actual CSS in your React components and let styled-components scope, inject, and dedupe it at runtime.
mypy
Optional static type checker that catches Python bugs before you run your code
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
Psycopg
The modern PostgreSQL adapter for Python, with native async and pipeline support
Flask
A lightweight WSGI web framework for Python that scales from a single file to complex applications.
scikit-learn
Simple and efficient tools for machine learning and data analysis in Python.
Redux Toolkit
The official, opinionated, batteries-included toolset for efficient Redux state management
react-native-safe-area-context
A flexible way to handle safe area insets in React Native, with hooks and components that also work on Android and web.
react-textarea-autosize
A drop-in <textarea> replacement for React that automatically grows and shrinks to fit its content.
Expo
Open-source framework for building universal native apps with React that run on Android, iOS, and the web.
Lexical
An extensible, framework-agnostic text editor framework for building reliable, accessible rich-text experiences on the web.
react-grid-layout
A responsive, draggable, and resizable grid layout system for React with breakpoints and zero jQuery.
Jotai
Primitive and flexible atom-based state management for React that scales from a useState replacement to enterprise apps.
usehooks-ts
A tree-shakable collection of 30+ ready-to-use React hooks, written in TypeScript.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
qrcode.react
A React component for generating QR codes as SVG or Canvas, with logo embedding and full styling control.
pydantic-settings
Type-safe application settings management for Python, built on Pydantic models.