Cross-platform multi-protocol VPN software
Secure wiping/shredding of free disk space with many methods
Web Gateway Appliance
Bringing intranet on the internet with Zero-Config Mesh VPNS.
Anti Spam SMTP Gateway
One-time-pad encryption using a virtual pad
IPsec / IKEv2-based VPN software for Linux.
Hypervisor R&D for recent x86 with support for DRTM + 2D paging
A free "on-the-fly" transparent disk encryption program for PC & PDAs.