imgui
The premium Open Source alternative to Qt
🎯 Best for:Developers building internal debugging tools and custom engine editors.
What is imgui?
A bloat-free immediate mode graphical user interface for C++ with minimal dependencies. It outputs vertex buffers that developers render directly within their existing 3D pipeline.
Tech Stack
C++Game Development
Why imgui?
- • Extremely portable and lightweight
- • No external library dependencies
- • Fast integration into existing renderers
Limitations
- • Not suitable for consumer-facing web apps
- • No built-in styling engine
- • Requires manual rendering backend setup
3/5/2026
Last Update
11,595
Forks
1,216
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to imgui instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Qt)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%