Features:
- Bakes lighting for multiple scenes one after another without the user having to do anything.
- Option to bake scenes together, this is useful when loading scenes additively at runtime with no light seams.
- Select what scenes you want to bake.
- Saves your settings so the next bake can be done with one click.
- Access to source code.

Steps:
1) Make sure the lighting settings are set.
2) Open Tools -> LightBaker
3) Drag in the scenes you want to bake one after another.
4) (optional) When you want to bake scenes together add to AdditiveScenes.
5) Press bake or bake selected.
6) Let your pc do the work.
7) Your lightmaps are baked!
8) When closing the editor, your settings are saved for the next bake.