PikoPixel is a free application for drawing & editing pixel-art images.
Easy to use
Supports multiple layers
Customizable canvas background
Hotkey-activated popup panels
Export upscaled images
Supports linear (gamma-correct) color blending
PikoPixel 1.0 BETA8 requires a GNUstep development environment with either of the supported compiler/runtime setups (GCC/gobjc or clang/objc2), and the following GS library versions (or later):
GNUstep Base: v1.24.9
GNUstep GUI & Back: v0.25.0
PikoPixel is distributed under the GNU Affero General Public License, version 3 (AGPLv3).