PDF Security ActiveX 2.0.2005.820
Encrypt PDF, decrypt PDF, PDF encryption, secure PDF, protect PDF
License:Shareware, 99.95 to buy Size: 2734KB

PDF-Pro Gold 1.1
PDF-Pro is a simple and fast tool to create and secure PDF files from any app.
License:Shareware, 29.95 to buy Size: 9042KB

PDF Junction 1.10a
Split, Merge and Secure PDF Files
License:Shareware, 325 to buy Size: 10.405 MB

CoolPDF 2.0.1.737
Convert to PDF and making PDF files of anything that can normally be printed.
License:Shareware, 99 to buy Size: 6685KB

PDF4U Pro 2.00
A full-featured, easy-to-use PDF creation tool for Windows NT/2000/XP/Server2003
License:Shareware, 89 to buy Size: 1611KB