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.
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
fs-extra
Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
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
Pino
A super fast, low-overhead JSON logger for Node.js applications.
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.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
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.
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.
typing_extensions
Backported and experimental type-hint features for Python, usable on older interpreters and ahead of the stdlib.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
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
