"LCUI is a simple GUI library, it is written in C, support XML and CSS, you can use C, XML and CSS to build simple desktop applications, at present it is mainly

"LCUI is a simple GUI library, it is written in C, support XML and CSS, you can use C, XML and CSS to build simple desktop applications, at present it is mainly supported Windows, subsequent versions will improve support for Linux." https://lcui.org/ https://lcui.org/ (expired cert atm)