StuffIt Standard Edition(tm) makes it easy to open any download or attachment and to send .Zip, .Sit, or self-extracting .Exe archives that open easily on any computer.
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.