40 GIMP Photo Manipulation Tutorials for Designers. There’s nothing better than free open source software that can do a lot of the same things and sometimes more than your professional overpriced software can do. GIMP (GNU Image Manipulation Program) is free open source application for image editing that can use in also for website layout designing as well, this software can do many things to for your needs. We always try to different experience for design techniques and learn how to work with various aspects of GIMP to manipulate pictures and for other design work of art. I don’t know, it just feels good and that’s why I love GIMP. The tutorials below are some great examples of GIMP in use and several are Photoshop tutorials converted for GIMP use. Fuentes para GIMP- dafont.com. Cibernauta Latino. DeviantART: where ART meets application!