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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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.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
unified
Parse, inspect, transform, and serialize content through syntax-tree plugins.
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
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
ts-morph
Navigate and manipulate TypeScript code with a friendlier compiler API wrapper
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
Celery
Distributed task queue for running asynchronous jobs, scheduled work, and complex workflows across Python applications at scale.
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.
node-sql-parser
Parses SQL statements into an AST and converts them back to SQL across a dozen database dialects.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
micromark
The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support