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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Fontsource Inter
Self-host the Inter typeface with a single npm install and zero third-party font requests.
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
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
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.
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.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
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.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
SheetJS (xlsx-republish)
A drop-in npm mirror of the SheetJS Community Edition for reading and writing spreadsheets.
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
rate-limiter-flexible
Atomic and non-atomic counters and rate-limiting tools that protect against DoS and brute-force attacks at any scale
react-virtualized-auto-sizer
Measures a container's available width/height and passes it to a child component
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
React Virtualized
React components for efficiently rendering large, scrollable lists and tabular data.
joi
The most powerful schema description language and data validator for JavaScript
ExcelJS
Read, manipulate, and write XLSX spreadsheet data, styles, and formulas in JavaScript
@apollo/server
Spec-compliant, production-ready GraphQL server for Node.js
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.