Everbill has published a plugin he made for supporting the BennuGD language in the very popular IDE Sublime Text.
The plugin adds syntax coloring and compilation + run support from the IDE. It also detects lines where an error occurs from the compilation output and can send you to the specific file in the IDE.
1. Install Sublime-Text 3: http://www.sublimetext.com/
2. Download the plugin from here: https://github.com/Everbill/BennuGD-SublimeText-Plugin
3. In sublime-Text go to Preferences>Browse Packages… and place the plugin in the folder opened
4. Restart the program and go to Tools>Build System and select BennuGD
Go to the forum for more details, shortcuts and discussion : http://forum.bennugd.org/index.php?topic=3980.msg64429