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.
Symantec Endpoint Protection
Metascan®
Panda Cloud Antivirus
avast! Premier
Malicious File Hunter
Password Shield
Quick Heal Internet Security
Autorun Virus Remover
SpywareBlaster
Avira AntiVir Premium
Norton 360
ISA Monitor
Block Ransomware and Backup
FortiClient
9Locker
VirusKeeper 2006 Pro
Quick Heal AntiVirus Plus
Norton Security Scan
Shortcut Virus Remover
Encrypt Stick
AfflatusMind Macro Recorder
SecuraLive Antivirus
Avira Premium Security Suite
WOOWEB-PRO
Advanced SystemCare Ultimate
HP SimplePass
SecurityPlus for MDaemon
Autorun Eater
Virtual Sandbox
WebKilit
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.