[ edition version of author's www site ]

GimpLensfun is a Gimp plugin to correct lens distortion using the
lensfun library and database.

The plugin can be found under "Filters > Enhance > GimpLensfun".

It autodetects camera, lens type and corresponding parameters
from the EXIF information embedded in the image file. 

WWW: http://github.com/seebk/GIMP-Lensfun.git