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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structlog
Structured, typed logging for Python built on plain functions and dictionaries instead of a bespoke logging DSL.
LinkeDOM
A fast, triple-linked-list DOM implementation for Node.js and Workers
Koa
Koa is an expressive, minimal Node.js web framework built on async functions for cleaner middleware and better error handling.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
networkx
Python library for creating, manipulating, and analyzing complex networks and graphs.
React Intl
React components and hooks for internationalizing apps with locale-aware dates, numbers, lists, and pluralized, translated messages.
prometheus-client
The official Python instrumentation library for exposing Prometheus metrics
Slack SDK for Python
The official Python SDK for building apps, bots, and integrations on the Slack Platform.
clickhouse-connect
ClickHouse's official high-performance Python driver, with native Pandas, NumPy, PyArrow, and Superset support
sniffio
A tiny Python library that detects which async framework (trio, asyncio, or curio) your code is currently running under.
E2B
Python SDK for spinning up secure, isolated cloud sandboxes where AI agents can safely run code.
Rspack CLI
The official command-line interface for running Rspack builds, dev servers, and previews.
PyMuPDF
A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.
APScheduler
Python task scheduler with cron, interval, and one-off triggers, backed by pluggable persistent datastores for distributed job scheduling.
@e2b/code-interpreter
JavaScript/TypeScript SDK for running AI-generated code in stateful, isolated E2B cloud sandboxes
lottie-react
React library and hooks for rendering Lottie/After Effects animations
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
PEFT
Hugging Face's library of state-of-the-art parameter-efficient fine-tuning methods for large models.
PyO3
Rust bindings for the Python interpreter, for writing native extensions or embedding Python in Rust.
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
pyparsing
Build recursive-descent parsers in Python without a separate grammar file
pluggy
The minimalist, production-ready plugin and hook system that powers pytest, tox, and devpi
MkDocs
A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.
@rjsf/core
The React engine that turns a JSON Schema into a fully working form
