Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Sort:Used by Most Apps
ESLint
The pluggable JavaScript and TypeScript linter that finds and fixes code problems through a fully customizable, plugin-based rule engine.
prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
postcss
A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.
typescript-eslint
The official meta-package bundling the TypeScript ESLint parser, plugin, and rule presets behind a single typed config() helper.
react-markdown
Safely render Markdown as React elements, no dangerouslySetInnerHTML required
@babel/core
The core JavaScript compiler that transforms next-generation syntax into code every browser and runtime can understand.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
React Syntax Highlighter
A React component for syntax-highlighting code blocks using highlight.js or Prism ASTs, with JavaScript-based styles and no external stylesheet required.
remark
A plugin-powered markdown processor that parses, transforms, and serializes markdown on top of unified.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
unified
Parse, inspect, transform, and serialize content through syntax-tree plugins.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
lowlight
Virtual syntax highlighting for virtual DOMs and non-HTML things, powered by highlight.js
unist-util-visit
Tiny utility to walk unist syntax trees and run a visitor on matching nodes
debug
A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.
ts-morph
Navigate and manipulate TypeScript code with a friendlier compiler API wrapper
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
rehype
A unified-based HTML processor with a large plugin ecosystem
mdast-util-from-markdown
Parses markdown into a fully spec-compliant mdast syntax tree using the micromark tokenizer.
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.