Why GEA · Comparison
GEA vs Slint
Slint and GEA both compile a declarative UI ahead of time to native code, with no VM on the device. Slint's UI is written in its own .slint language, wired to a Rust or C++ host; GEA's is written in TypeScript and real CSS. The table below lays them out side by side.


At a glance
Side by side
GEA
Slint
You write
TypeScript & real CSS
.slint DSL + Rust/C++ (JS/Python beta)
Styling
Real CSS files
Slint property syntax
Reactivity
Stores → compiled native updates
Declarative property bindings
On device
AOT native C++ · no VM
AOT to native · no VM
Targets
MCU, macOS, iOS, Linux
MCU · desktop · mobile · web
License
Open-source GPL · commercial
GPL · royalty-free (excl. embedded) · paid