Geany got a basic plugin system so users can get more features into Geany and developers can easily add new features and/or improve existing ones.
GeanyVC integrates support for many popular version control systems like GIT, Subversion, Mercurial, CVS and Bazaar
Integrates spell checking into Geany to easily check some text or even strings and comments within source code
A comprehensive list of available plugins can be found on plugins.geany.org.
Geany is Good Ol' Fashioned
Using the GPL v2 license,
Geany assures that not only can you customize and hack it, but
that everyone benefits from changes the community makes.
Geany has a vibrant community of professionals and hobbyists alike that contribute improvements and fixes across numerous platforms.