F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.
Electronics Assistant - Electronics Assistant is a Windows program that performs electronics-related calculations.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
ECStudio - ECStudio app provides you with features that allow you to learn about the building of electric circuits and electronic circuit simulation so you can calculate various values of circuits right at your fingertips.
FireMon - FireMon Security Intelligence Platform delivers continuous visibility into and control over firewall infrastructure.
FreeFlight Pro - FreeFlight Pro is an entertainment app that comes up with features to help users in piloting their drones right through their mobile phones and other smart devices.