I just realized how easy image processing/editing is in godot... so I made a tool for creating a texture atlas
I started to work a lot with low res textures and "clever" uv mapping for creating 3d models in my game and was frustrated by manually editing my texture atlas after editing one texture.
So I created this small tool to automatically create the texture atlas from a set of given low res textures. Next step would be to make this callable from command line without the GUI.