MarkSeam

Addon Dev Tools is a Blender extension from MarkSeam for developing and maintaining Blender add-ons. It automates common development tasks including automatic reloading on file changes and packaging add-ons into ZIP archives.

Paintstack adds a layer-based texture painting system to Blender's texture paint mode. Paint and composite color, bump, roughness, and subsurface layers directly in the viewport, then export standard PBR maps from the visible stack.