For all of your Document and Download requirements

How to Setup GPG security on your Mac - Click Here
Email encryption: Using PGP and S/Mime - Click Here
(Tech Republic)
Public Keys - Key - Key - Key - Key
GPG Tools Suite for Mac 10.8 - Download Here
BoxCryptor for Android - Download Here
BoxCryptor for iOS - Download Here
Groundwire - VoIP soft phone for secure calls - Download Here
orBot - The Android kit for connection to the TOR network - Download Here
orWeb - The Android web browser for the TOR network. - Download Here
OnionBrowser - An iOS browser that automatically connects to the TOR network for anonymous browsing - Download Here
Espionage - An encrypted security solution for your Mac providing plausible deniability for data stored - Download Here