Bake Node Sync focuses on a single task in Blender's shader editor: taking the active node and syncing it across all materials on the selected objects. When an object carries multiple materials, the add-on locates the matching node in each one, and where a match doesn't exist, it creates the missing node. It aims to make multi-material baking and texture workflows faster and easier.
The add-on runs in Blender versions 4.5 through 5.1 and works with both Cycles and Eevee. It's released under the GPL license, and documentation is provided alongside it. A demo video is also available for anyone who wants a look before installing.
For artists working with objects that hold many material slots, Bake Node Sync earns its place in the Superhive library by handling that node setup across a whole selection, propagating one node into every material at once rather than one material at a time.