whatmask - Whatmask is a small C program that will help you with network settings and subnet calculations.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
ipcalc - IP Calculator. ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. By giving a second netmask, you can design subnets and supernets....
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
ship.sh - ๐ข ๐ A simple, handy network addressing multitool ๐ with plenty of features.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.