Photoflare is a cross-platform image editor with an aim to balance between powerful features and a very friendly graphical user interface. It suits a wide variety of different tasks and users who value a more nimble workflow. Features include basic image editing capabilities, paint brushes, image filters, colour adjustments and more advanced features such as Batch image processing.
Krita is a free and open source painting tool designed for concept artists, illustrators, matte and texture artists, and the VFX industry.
Paint program like MSPaint or Mac Paintbrush, but for Linux. 1. Features - Drawing tools Lines Arrows Rectangles Ellipses Pencil Text Brushes Flood fill Rounded rectangles Polygon (closed polygonal chain) Curves Selection - Selection (rectangular only) Crop to selection Use selection as brush - Undo/Redo - Zoom in/out - Effects (uses gegl) Grayscale Invert Insta Brannan (Instagram like effect) Insta 1977 (Instagram like effect) Brightness/contrast Gauss blur Posterize Threshold Vignette Pixelize