Open source. Open possibilities.

deck.gl is a GPU-powered visualization framework designed for high-performance rendering of large-scale data sets using WebGL2 and WebGPU.

Flet is a framework for building multi-platform mobile, desktop, and web applications using only Python, requiring no prior frontend development experience.

PyScript is an open source platform that runs Python in the browser using Pyodide (CPython) and MicroPython compiled to WebAssembly. Add a stylesheet and script tag, then write Python in HTML script tags to build rich browser apps on any device.

Pyodide is a Python distribution for the browser and Node.js based on WebAssembly.

Kivy is an open-source Python framework for developing cross-platform GUI applications for desktop, mobile, and embedded platforms.

WeasyPrint is a Python-based HTML/CSS to PDF rendering engine that helps developers generate professional documents like reports, invoices, and tickets from web markup.

Nerd Fonts patches developer fonts with thousands of icons from popular sets like Font Awesome, Octicons, and Devicons. It provides 67 pre-patched font families and a tool to patch custom fonts.

Design Oracle analyzes a website with Playwright and extracts its design system—colors, typography, spacing, components and UX patterns—then exports Tailwind v4 config, React JSX, JSON design tokens or a DESIGN.md report. It runs standalone or as an MCP server for AI agents.

Pelican is a Python-based static site generator that turns Markdown, reStructuredText or HTML files into a complete static website via a simple command-line tool, with themes, feeds, multi-language publishing and a plugin ecosystem.