Magic Folders is the world's most popular file hiding program for a reason. You can easily and effectively hide any folder you choose and all the files in that folder become completely invisible to others. Supports networked drives also.
MalwareBytes
Removes even the most stubborn malware.
Spam Bully
Spam Bully can eliminate up to 99% of spam.
AVG Anti-Virus
Well-known free antivirus protection software.
WinZip
WinZip is the world's #1 zip utility.
Download Manager
Free download manager & internet accelerator.