GXUI
An experimental Go cross platform UI library
...It provided a set of widgets, layout containers, and event models that ran on Windows, macOS, and Linux, targeting a single Go API surface. Rendering was driven by a graphics backend so that animations, text, and compositing could be smooth without relying on heavyweight native bindings. The library encouraged idiomatic Go patterns—composition and interfaces—while offering a retained-mode tree of views for common desktop interactions. Although the project is no longer actively developed, it remains a reference for how to bridge Go’s concurrency model with UI event loops and rendering pipelines. ...