Antivirus
No matter how safe you may feel without an antivirus, it definitely is a must-have application these days. And it's a good thing those come for both general purposes and things of more particular nature, like safe Internet surfing. This category gives you numerous antiviruses to choose from.
Faronics Anti-Virus
USBee
Panda Internet Security 2015
USB Virus Scanner Software
Antamedia Kiosk
Avira Antivirus Pro
Hosts Block
PC Cleaner AV
Secunia CSI Agent
Malware Crusher
KeyLogger
Norton PC Jump Start
SanityCheck
PC DoorGuard
ActivityMon
WardWiz Antivirus
FiiNote
IMonitor EAM Professional
SpyWare Killer
Defender Pro PC Medic
G Data InternetSecurity 2013
Passbay UKey Tool
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.