Chatlink.com - Anonymous communication platform
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
File Encryption XP - A program designed for protecting confidential information stored on your computer.
Easy File Locker - Easy File Locker is a pretty small file at 224KB and will do exactly what it says.
Autocrypt - Convenient End-to-End Encryption for E-Mail
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.