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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kiwisolver
Fast Python bindings to Kiwi, a C++ implementation of the Cassowary constraint-solving algorithm used to lay out matplotlib figures and Qt UIs
pytest-html
A pytest plugin that turns your test run into an interactive, shareable HTML report.
filetype.py
Small, dependency-free Python library to infer file type and MIME type from magic number signatures.
cookies-next
Get, set, and delete cookies with one API across Next.js client, server, and edge contexts
google-ads-python
Official Python client library for the Google Ads API
React Animate Height
Zero-dependency React component for animating height with CSS transitions
retry
A lightweight, dependency-free Python decorator for retrying flaky function calls with configurable delay, backoff, and jitter.
redocusaurus
Adds OpenAPI documentation to a Docusaurus site by rendering Redoc-powered API reference pages alongside your existing docs.
wonka
A tiny but capable push and pull stream library for TypeScript
GenSON
A Python library and CLI that generates and merges JSON Schema from sample objects and existing schemas.
clockwork
A fake clock library for Go that makes testing time-dependent code deterministic and fast.
go-retry
A dependency-free Go library for retrying flakey operations with pluggable backoff and jitter middleware.
httparse
A tiny, safe, zero-copy push parser for the HTTP/1.x protocol in Rust
fastavro
A Cython-accelerated Python library for reading and writing Apache Avro files, built to match Java Avro SDK performance.
mcp-handler
Framework-agnostic HTTP adapter for hosting Model Context Protocol servers in Next.js, Nuxt, SvelteKit, and Hono.
go-ordered-map
A generic Go library for maps that preserve key insertion order, with constant-time operations and built-in JSON/YAML support.
react-gtm-module
Drop Google Tag Manager into any React app with a single initialize() call and a dataLayer helper.
datadogpy
Official Python client for Datadog's REST API, DogStatsd, and dogshell CLI.
cloudinary
Node.js SDK for uploading, transforming, optimizing, and managing images and videos on Cloudinary.
devtools
A floating debug panel for React Hook Form that surfaces live field values, validation errors, and dirty/touched state as you type.
types-boto3
Complete, auto-generated type annotations for every boto3 AWS service client, enabling full IDE autocomplete and mypy/pyright checking.
client-sdk-js
JavaScript/TypeScript client SDK for adding realtime video, audio, and data to web apps via LiveKit Cloud or a self-hosted server.
backoff
A minimal exponential backoff counter for Go with optional jitter support.
limits
Python rate limiting library with pluggable storage backends and multiple windowing strategies
