Maybe, 3DCoat offers something similar to blender:
Make a copy of the model, make a new uv layout for the copy with seams at more hidden places of the mesh, and then copy the texture from the original model to its copy.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt