FireAlpaca
7.6#4 in digital painting software$39.99 one-timeFree planLinuxmacOSWindows
VisitFireAlpaca suits illustrators and others making digital images who want a free tool for Windows, macOS, or Linux. The separate SE edition is an option for those seeking its additional brushes, layer masks, and liquify tool.
It suits artists who want a free, open-source painting tool on Windows or Linux. Layers, pressure sensitivity, and an infinite canvas support detailed drawing workflows.