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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prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
Axios
Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation
lint-staged
Run linters and formatters only against the files staged in git, so a slow full-project lint never blocks a commit.
Zustand
A small, fast React state management library with a hook-based API and no boilerplate.
eslint-plugin-import
ESLint rules that validate ES module import/export syntax and catch broken paths before they hit your build.
Marked
A fast, low-level Markdown compiler that parses CommonMark and GFM into HTML in Node.js, browsers, or the CLI.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
Sentry JavaScript (@sentry/browser)
The official Sentry SDK for capturing errors, performance traces, and session replays in browser JavaScript apps.
pytest
The Python testing framework that makes writing small tests easy and scales to complex functional test suites.
@hookform/resolvers
Official React Hook Form adapters that plug 20+ schema-validation libraries — Zod, Yup, Joi, Valibot, ArkType and more — straight into useForm's resolver.
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
@codemirror/view
The DOM view layer for the CodeMirror 6 code editor, handling rendering, input, and editor chrome.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
node-fetch
A lightweight, spec-compliant implementation of the browser Fetch API for Node.js
highlight.js
Zero-dependency JavaScript syntax highlighter with automatic language detection for over 190 languages.
CodeMirror State
Immutable document, selection, and transaction data structures for the CodeMirror code editor
@monaco-editor/react
Drop the Monaco code editor into any React app without touching webpack, rollup, or bundler config files.
diff
A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Floating UI
React hooks and components for building accessible, perfectly positioned tooltips, popovers, and dropdowns.
Pino
A super fast, low-overhead JSON logger for Node.js applications.
@codemirror/language
Language support infrastructure for the CodeMirror 6 editor: parsing, indentation, code folding, bracket matching, and syntax highlighting.
eslint-plugin-jsx-a11y
Static ESLint rules that catch JSX accessibility issues before code ships.
