High strength end-to-end encryption with perfect forward secrecy for your favorite email, plus real-time secure chat
Not as powerful as PassLok, by the same author (me), but heck, it's easier to use. Messages sort of self-destruct after reading, and there is no server involved.
https://freezr.info
https://passlok.com/
https://passlok.com/
https://dblspk.io
https://passlok.com/
f0reach
https://passlok.com/ursa/
https://www.numici.com/
https://qashto.com
http://spyshakers.com/
TwentyQ Team
https://passlok.com/