Signal
Send text messages, voice messages, videos, documents, pictures or group messages and make free phone calls over an end-to-end encrypted connection to keep your communication absolutely safe.
Message anyone in the world without SMS or MMS fees. Make voice and video calls without long-distance charges. Signal is recommended by Edward Snowden.
Anti virus utility with new DynaGen technology, that also protect against malware, spyware and rootkits.
Malwarebytes Anti-Malware identifies and removes malicious software from your computer, making your PC a faster and safer system to use.
Erase all data on hard drives completely, excluding any possibility of future recovery (Live CD ISO).
360 Total Security combines several antivirus engines, malware protection and tools to speed up and clean your PC.
Easily detect who is (ab)using your wireless network, by showing a list of currently connected devices.
Anti-virus and anti-spyware solution. Microsoft Security Essentials helps guard your PC against viruses, spyware, and other malicious software
The Tor Browser prevents companies and governments watching your Internet connection from seeing what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked.