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
@codemirror/commands
A collection of editing, selection, deletion, indentation, and undo-history commands with default keymaps for the CodeMirror 6 code editor.
React CodeMirror
A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.
@codemirror/autocomplete
Autocompletion engine for the CodeMirror 6 code editor, with fuzzy matching, snippets, and bracket closing.
@codemirror/lang-json
JSON language support for the CodeMirror 6 editor: parsing, folding, indentation, and a built-in parse-error linter.
RxJS
The standard library for composing asynchronous and event-based programs using observable sequences
qrcode
A zero-dependency-on-canvas QR code and 2D barcode generator for Node.js and the browser.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
Embla Carousel React
A lightweight, dependency-free React hook for building fluid, touch-precise carousels and sliders.
bcrypt.js
A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.
core-js
Modular standard library and polyfills for JavaScript, from ECMAScript features to proposals and web standards.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
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.
python-dateutil
Powerful extensions to Python's datetime module for parsing, deltas, recurrence, and timezones.
lang-javascript
JavaScript, TypeScript, and JSX language support for the CodeMirror 6 code editor.
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.
reflect-metadata
A polyfill for the Metadata Reflection API that powers decorator metadata in TypeScript and JavaScript.
Jinja
A fast, expressive, and extensible templating engine for Python.
react-hotkeys-hook
A lightweight React hook for wiring up keyboard shortcuts in components declaratively.