I wanted to make an Aseprite alternative that works more efficiently with my workflow. Px Editor is the result. :D

It includes things like animation, layers, and selection tools.

Check it out here: https://cmlsc.itch.io/px-editor

Looks cool, I added it to my game development collection: https://itch.io/c/8886/gamedev-resources

Very good for a mini-tool.