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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TanStack Virtual (React)
Headless React hook for virtualizing massive lists, grids, and tables at 60FPS.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Ajv
The fastest JSON Schema validator for Node.js and the browser, compiling schemas straight into executable validation code.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
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.
file-type
Detect the file type of a buffer, stream, or file by reading its magic number.
buffer
The Node.js Buffer API, reimplemented for the browser on top of Uint8Array.
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
React Virtuoso
The most powerful virtual list component for React — render huge lists, grids, tables, and chat feeds effortlessly.
passport-jwt
A Passport.js strategy for authenticating requests using JSON Web Tokens
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.