Krita, a professional, creative, free, open-source, and cross-platform painting software that works on Linux, Windows, and OSX. For programmers, GIMP is a high-quality framework for scripted image manipulation, it supports many languages including C, C++, Perl, Python, and Scheme. It features tools for high-quality image manipulation, image transformation, and creation of graphic design elements. It is also extensible and customizable via third-party plugins. It provides sophisticated tools to get your job done, and it is built for graphic designers, photographers, illustrators, or scientists. GIMPįirst, on the list, we have GIMP, a free, open-source, cross-platform, extensible, and flexible image editor that works on GNU/Linux, Windows, OSX, and many other operating systems. Related Article: 8 Best Video Editing Software I Discovered for Linux 1.