Revaise - Do peer reviews right on Revaise.
Confide - On the off chance that you need to get your messages private and encoded then utilize Confide that will fill in as your own and classified courier.
FriendZone - Make new friends based on your interests and hobbies
Wickr - Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...
HOOP - Where you trigger & evolve "social video chains"
Bleep - Bleep is an insured and secure messaging application by the Bit Torrent that you can use for valuing the private and safe communications.