Advanced Port Scanner is a small, fast, easy-to-use and robust LAN scanner for the Win32 platform. It is multithreaded, so on fast machines you can scan many computers at once.
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.