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.
Crystal Security
NVIDIA MediaShield
Emsisoft Emergency Kit
Ping Faster
DesktopKeeper
MultiPar
Spy Hunter Removal Tool
WinZip Malware Protector
AnVir Virus Destroyer
TotalAV
Avira SmallBusiness Suite
PCBooster Free App Lock
TrojanHunter
Blockless
Malware Inspector
PC Matic Home Security
iSumsoft PDF Password Refixer
Bkav Pro 2014 Internet Security
AVS Firewall
LCP
IObit MBR Guard
Avast Software Cleanup
NextGen AntiKeylogger
Meebo Password Decryptor
Laptop Alarm
Anti-Rootkit
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.