Gimp is an amazing tool and its creators deserve our gratitude. Then there is Krita, which is another amazing tool and its creators deserve our gratitude. Then there is LibreOffice, ditto. Then there is KiCAD, ditto. Then there is ...
I am not saying this to detract from Ton's contributions. I am saying this because a lot of people have made contributions to the open source world and, by extension, to the lives of many people. We shouldn't be treating this as a competition.