Wickr Me is a free private messaging app built for personal communication. You can download it here.
Wickr Pro is a secure collaboration platform for teams and enterprises. It enables organizations to launch their own private networks in minutes to start communicating internally and federate with 3rd parties. Wickr Pro users can message 1:1, create secure rooms for teams and projects, set expiration time for all communications, send encrypted files up to 5GB, and place secure conference calls, all in one app. You can go here and enter your email to start your free Pro Network.
Learn more about other Wickr products here.