Cerberus
Description: Cerberus is an open source anti-theft and device tracking app for Android devices. It can remotely lock, locate, sound an alarm, and wipe data from a lost or stolen device.
Type: software
Pricing: Open Source
Nmap
Description: Nmap is an open source network discovery and security auditing tool. It is used to discover hosts and services on a network and to detect potential vulnerabilities.
Type: software
Pricing: Free