Krita
Replaces Corel Painter
Create digital paintings, illustrations, comics, and 2D animation in a free, GPL-licensed desktop studio built for artists.
Open source alternatives to Corel Painter
2 free, self-hostable tools you can use instead of Corel Painter, sorted by GitHub stars.
Alternatives to Corel Painter 2
MyPaint
Replaces Corel Painter
Build digital paintings with a distraction-free desktop app built for graphics tablets, expressive brushes, and an infinite canvas.