The GIMP turns 25 and promises to carry on being the FOSS not-Photoshop • The Register
The Gimp “cartoonize” effect (a Gimp plugin) | alvinalexander.com
How to achieve this cartoon effect in GIMP? - Graphic Design Stack Exchange
20 comic-book style photoshop effects
How to Change the Background Color in GIMP
How To Cartoonify Your Photos With GIMP
Amazon.com: Photo Editing Software GIMP 2.10.2 PRO for Windows PC & MAC | RawTherapee RAW Editor, Inkscape Design, Image Converter, Effects {7 Programs on 16Gb USB}: Software
How To Cartoonify Your Photos With GIMP
The GIMP Bible: Great for Beginners - 40+ Step-by-Step Tutorials: Kuhlman, Gabriel: 9781794468580: Amazon.com: Books
Turn Any Photo Into a Cartoon in GIMP - YouTube
How To Make GIMP Work More Like Photoshop
Additional cartoonify plugins?
G'MIC Cartoon-Filter in Gimp 2.9 - YouTube
How to Add New Brushes in GIMP [Quick Tip] | WebSetNet
Gimp Cartoon Filter (Cartoon- und Gemälde-Style) | Tutorial - Technikshavo
Gimp Cartoon Filter - Sirmark bloggt
A gallery of 130+ Gimp filters/effects examples | alvinalexander.com