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.
ID USB Lock Key
StarLogger
FortKnox Personal Firewall
USB Flashdrive Autorun Antivirus
Robosys Security Anti-Malware
MRU-Blaster
Spy Emergency
PhotoCrypt Pro
eConceal Firewall for Servers
Netlux Antivirus
Free Firewall
Interscope BlackBox
MalwareFox AntiMalware
RRAV Antivirus Plus
WOOWEB
Zemana AntiMalware
RogueKiller
BitDefender USB Immunizer
Ashampoo AntiVirus
Unofficial WampServer
Auslogics Antivirus
Panda Antivirus + Firewall 2008
HandyBits VirusScan Integrator
Quick Heal
Chrome Download Unblocker
SafeGuard® PrivateCrypto
StatWin Pro
Galileo SSL
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.