LablTk is an interface to the Tcl/Tk GUI framework. It allows to develop GUI applications in a speedy and type safe way. A legacy Camltk interface is included. The OCamlBrowser library viewer is also part of this project.
The project page is: https://github.com/garrigue/labltk
You can find information here: https://garrigue.github.io/labltk/
Bug reports go to Github: https://github.com/garrigue/labltk/issues