FireTcl
https://sourceforge.net/projects/firetcl/
FireTcl is a new way to develop desktop applications using web technology and Tcl.
It embeds a Tcl interpreter into firefox.
FireTcl guives you the possibility to eval Tcl code in the user interface thread or in a browser worker. The Tcl code evaluated can execute also javascript and interact with the DOM.
The advantages of using web technology are:
standards to the web. Internet is evolving fast.
operating systems. It guives you a lot of possibilites out of the box: rendering of different image formats, a canvas for 2D and 3D drawing, bidireccional communications with the server, peer to peer communication with other browsers without any intermediary, video and audio players, an API to store persistent data,...
communicating, entertainment, research, business,...