Simple GIMP IDE.
In fact, Gimp IDE is a simple text editor with syntax highlighting, with the ability to run the script.
Simple dialog allow you to create plug-in based on you script.
Perhaps fills a gap between conventional designer who can copy-paste from the web page, but can not edit and save script as plug-in.
In feature i plan create mini plug-in repository in internet with simple lifecycle as:
1) Select plug-in from menu (content menu is list of plug-ins on server).
2) Plug-in automaticaly download from server and run