Articy: draft 2 looks like a really good software. I have never tried it but it looks good.
Please check this thread for more info: Project Management Integration with UE4 - Feedback for Unreal Engine team - Unreal Engine Forums
Articy: draft 2 looks like a really good software. I have never tried it but it looks good.
Please check this thread for more info: Project Management Integration with UE4 - Feedback for Unreal Engine team - Unreal Engine Forums