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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OpenTelemetry Python SDK
The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs
type-fest
A collection of essential, ready-made TypeScript utility types beyond the built-in standard library.
debug
A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.
helmet
Secure Node and Express apps by setting protective HTTP response headers with a single line of middleware.
superjson
Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.
fast-xml-parser
Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks
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
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
zod-to-json-schema
Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.
three.js
The cross-browser JavaScript 3D library that renders scenes through WebGL and WebGPU behind one unified, node-based shading API.
knex
A flexible, portable SQL query builder for Node.js supporting PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3, and Oracle.
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.
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.
JSON5
JSON for humans: an extended JSON syntax with comments, trailing commas, and unquoted keys for hand-written config.
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.
