Ultralight

Ultralight is a GPU-accelerated HTML rendering toolkit that embeds modern web content into games and native applications, solving the problem of integrating HTML interfaces in performance-critical environments. It targets game developers and native app developers, including AAA studios and desktop app builders, across platforms like Windows, macOS, Linux, and consoles. Positioned as a lightweight, portable alternative to Chromium, it offers both GPU and CPU renderers, with deep integration APIs for existing pipelines.

Key features

• Deep GPU integration via GPUDriver API
• Transparent rendering for compositing web content
• Custom image compositing with ImageSource API
• Secure asset control with FileSystem API
• Consistency across platforms with version linking
• Automatic window management via AppCore API
• JavaScript ⇔ native code integration
• Embed assets in-binary with asset bundler