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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gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
cookie
Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.
jQuery
A fast, small, feature-rich JavaScript library for DOM traversal, event handling, animation, and Ajax with a concise, chainable API.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
mypy
Optional static type checker that catches Python bugs before you run your code
three.js
The cross-browser JavaScript 3D library that renders scenes through WebGL and WebGPU behind one unified, node-based shading API.
Inquirer.js
Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.
knex
A flexible, portable SQL query builder for Node.js supporting PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3, and Oracle.
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
ignore
A pure JavaScript manager, filter, and parser for .gitignore-style rules, built exactly to the gitignore spec.
scikit-learn
Simple and efficient tools for machine learning and data analysis in Python.
ts-morph
Navigate and manipulate TypeScript code with a friendlier compiler API wrapper
supabase-js
The official isomorphic JavaScript SDK for Supabase — database, auth, realtime, storage, and edge functions in one client.
react-textarea-autosize
A drop-in <textarea> replacement for React that automatically grows and shrinks to fit its content.
@azure/identity
Microsoft Entra ID credential library that authenticates every Azure SDK client, from managed identity in production to CLI and browser login in development.
date-fns-tz
IANA time zone support for date-fns, powered by the native Intl API with zero bundled time zone data.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
Expo
Open-source framework for building universal native apps with React that run on Android, iOS, and the web.
react-grid-layout
A responsive, draggable, and resizable grid layout system for React with breakpoints and zero jQuery.
Chai
BDD/TDD assertion library for Node.js and the browser, framework-agnostic
pydantic-settings
Type-safe application settings management for Python, built on Pydantic models.
validator.js
A dependency-free library of 100+ string validators and sanitizers for Node.js and the browser.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
