Encrypt PDF SDK-COM allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs.
PDF Stamp is an advanced product that enables you to stamp content into a PDF document. Besides images, texts and graphics, PDF Stamp is able to add links and notes.
Convert word,doc,html,htm,rtf,txt,ppt,excel,xls files to PDFs
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.