PikoPixel is a free, open-source application for drawing and editing pixel-art images and icons.
Features:
- Easy to use
- Unlimited undo
- Supports multiple layers
- Customizable canvas background and grid patterns
- Hotkey-activated popup panels
- Export upscaled images
- Supports linear (gamma-correct) color blending
Originally a Mac app, PikoPixel runs natively on GNU/Linux by using the GNUstep framework.