I think it is last reseach list

Remote review and approval tools:

• cineSync
• FrameCycler
• FuzeMovie (Formerly SyncVUE)
• Cerebro by Mirada
• Alienbrain
• PDPlayer
• Concept Share (web)
  
• Cozimo (web)
• Octopz(web)
• ProofHQ [updated] (web)

May be you know others ?