Web-Scale Blockchain for fast, secure, scalable, decentralized apps and marketplaces.

The headless rich text editor framework for web artisans.

A Diff View component for React / Vue / Solid / Svelte / Ink, same as Github

Generate audiobooks from e-books, voice cloning & 1107+ languages!

A simple, expressive, safe and Shopify compatible template engine in pure JavaScript.

A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)

Rich-text editor with AI, MCP, and shadcn/ui

Create and modify PDF documents in any JavaScript environment

Build mindmaps with plain text

A versatile 2d function plotter

Static low-bandwidth search at scale

An entity framework for Go

Pure Rust multimedia format demuxing, tag reading, and audio decoding library

無料で使える中品質なテキスト読み上げソフトウェア、VOICEVOXの音声合成エンジン

A polyglot web converter.

LlamaIndex is the leading framework for building LLM-powered agents over your data.

A template engine for Rust based on Jinja2/Django

Zstandard - Fast real-time compression algorithm

700+ Pure CSS, SVG & Figma UI Icons, 6000+ glyphs, patterns, colors and layouts.

A draggable and resizable grid layout with responsive breakpoints, for React.

A JavaScript Typing Animation Library

Idempotent schema management for MySQL, PostgreSQL, SQLite, and SQL Server

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

Force-directed graph rendered on HTML5 canvas

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

Create guided tours in your apps

🌻 Flexible and fast ZSH plugin manager

PEG.js: Parser generator for JavaScript

A small customizable textarea for React to colorize, highlight, decorate texts, offer autocomplete and much more.

Easily create data visualization animation videos