Html5 GitHub Repositories (2026) · Open Source Tools

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

Low-Latency Accelerated Web Remote Desktop Streaming Platform for Self-Hosting, Containers, Kubernetes, or Cloud/HPC

Free and open source admin dashboard UI kit built on Bootstrap: 100+ pages, 6,000+ icons, dark mode, RTL.

JavaScript 3D Library.

A professional front-end template for building fast, robust, and adaptable web apps or sites.

2dog is Godot in .NET 🦴

An ultra-lightweight blogging engine, written in PHP.

The Gosub browser engine

Desktop/Android/HTML5/iOS Java game development framework

A renderer agnostic two-dimensional drawing api for the web

HTML5 <audio> or <video> player with support for MP4, WebM, and MP3 as well as HLS, Dash, YouTube, Facebook, SoundCloud and others with a common HTML5 MediaElement API, enabling a consistent UI in all browsers.

a modern & lightweight HTML5 game engine

A lightweight graphic library providing 2d draw for Apache ECharts

A proven SVG-based JavaScript diagramming library powering exceptional UIs

HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

Write desktop and web apps in pure Python

LayaAir is a fully platform rendering engine with rich 2D/3D rendering capabilities and a mature integrated development platform

A Tiny JavaScript Sound FX System

OvenPlayer is JavaScript-based LLHLS and WebRTC Player for OvenMediaEngine.

Fully featured, spec-compliant HTML5 server-sent events library