Gum
The premium Open Source alternative to Unity UI
🎯 Best for:Developers needing a consistent UI layout system across different rendering engines.
What is Gum?
A platform-agnostic layout tool designed to create user interfaces across various game engines and frameworks. It decouples visual design from code, allowing for consistent UI behavior on any platform.
Tech Stack
C#Frontend & Headless CMS
Why Gum?
- • Engine independent
- • WYSIWYG editor available
- • Highly performant layout calculations
Limitations
- • Smaller community than mainstream engines
- • Learning curve for custom rendering
- • Limited third-party asset library
3/5/2026
Last Update
68
Forks
44
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to Gum instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Unity UI)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%