Description: Nagios is an open-source monitoring system that allows administrators to monitor network infrastructure like servers, switches, applications, and services. It can notify users when issues arise and help identify problems in a timely manner.
Type: software
Pricing: Open Source
Description: TrueCrypt is an open-source encryption software that can encrypt hard drives and create virtual encrypted disks to store sensitive files and data securely. It works on Windows, Mac OSX and Linux.
Type: software
Pricing: Free