After the war...

[Hatsumomo]

I'm quite sure Madara will be defeated on some way and his plan with Infinite Tsukuyomi will not work...

Remaining shinobi will return to their countries and continue their boring lives...

But what with the main villains who swiched sides?
Obito, Kabuto, Orochimaru, Sasuke??, They will be welcomed back?
I doubt it... But who would be able defeat them? ANBU... no way, Kages? (maybe they even will not survive the war).
So, what they will do? What Kishi planning to them?

 

[Akatsukii]

-Obito is going to face the consequences of his actions if he lives after the war (which he probably won't)

-Kabuto said he is going to return to the Orphanage

- Orochimaru's future is still ambiguous as is Sasuke's

 

[Flakez]

Obito and Kabuto would probably die after they save Naruto and Sasuke respectively. Naruto and Sasuke will have a final fight after the war. As for Orochimaru, no idea what his motives are.

 

[ANiMUS]

Sasuke will be welcomed. Kabuto will disappear. Orochimaru will die

 

[Seventh Sama]

Obito will pull a nagato(most likely) and die, Oro will go back into hiding , Kabuto will go back to the Orphanage. Sasuke will probably be punished.

 

[bashkim]

Maybe they will forgive him. And he will be able to go where ever he wants.

 

[ZIMBO]

I see no scenario in which Obito survives this war other that being revived after his death. All is forgiven with Sasuke...just don't expect him to become Hokage. Oro for the final villian