SceneTab+ is an editor extension that provides superfast scene management.1-click open, additive open/close, play and ping access to all your scenes or a drilled down scope of scenes in your project.
Display your game logo for a great sense of coherence when working on multiple projects.
Extensively tested on Mac and PC, Unity Pro and Free.
Unity Forum
GamerPet Video Review
New in SceneTab+ 1.2:
• Full Multi Scene Editing Support
• Load and unload additive scenes
• Natively returns to last SceneManagerSetup after quick playing another scene in Multi Scene Editing