Ultralight
Ultralight is a GPU-accelerated toolkit designed for embedding modern HTML into games and native applications.
Free + paidWindowsmacOSLinux
Visit websiteultralig.ht
Compare with book-to-skillExplore Ultralight alternativesOverview
Ultralight is a GPU-accelerated toolkit designed for embedding modern HTML into games and native applications. Built on a lightweight fork of WebKit, it provides a baseline memory usage nearly 10x lighter than Chromium. Key features include deep GPU integration via GPUDriver API for Direct3D, Metal, and OpenGL, transparent rendering for compositing web content over in-game elements, and custom image compositing via the ImageSource API. The tool supports C and C++ on Windows, macOS, Linux, and game consoles. It targets developers ranging from individuals to AAA studios. Pricing offers a Free tier for individuals, a Pro tier at $3,000 per year, and Enterprise options with source code access.
Key features
- Deep GPU Integration (GPUDriver API)
- Transparent Rendering
- Custom Image Compositing (ImageSource API)
- Ultra-Light Memory Footprint
- Multi-Platform Support (PC & Consoles)
Pricing
Use cases
- Embedding HTML UI in games
- Rendering web content in native apps
- Creating custom in-game interfaces
Who it is for
Game developersnative app developers
Integrations
UnityFlutterReactWebAssembly
Tags
API
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 09/02/2026Verified sources: 5
Alternatives
Tools you can use instead
book-to-skill
Converts technical books and document collections into structured, on-demand skills for AI coding agents.
★ 28.8KOpen source
Developer Tools
GPT-6 Astra
OpenAI frontier model for difficult end-to-end reasoning and professional work.
API
Developer Tools
