UFONet - Denial of Service Toolkit
Robust and flexible VPN network tunnelling
antigift is simple cross-platform, files & folders encryption tool
Open Source PKI solutions
Secure mail + Tor gateway
Encrypting, anonymous, unlimited size message transfer system
ImpraStorage provided a private imap access to store large files
mod_gnutls apache module
this simple program implements the Vigenere cipher in python
Extended Visual Cryptography Schemes in Python