1)   PDF Split Merge ActiveX 2.0.2008.618
Split PDF files into multiple files by range Merge multiple PDF files into one PDF Standalone, doesn't depend on Adobe Acrobat or Reader Provide demos in ASP, ColdFusion, VB, VB Script, ASP.Net

 2)   Adolix PDF Converter PRO 4.1
Adolix PDF Converter PRO is professional PDF writer software that will convert your file into a brand new PDF. Files can be protected with strong security and password. Now you can split and merge PDF files in Windows Vista.

 3)   Adolix Split and Merge PDF 1.3
Merge PDF files into a single document. Split PDF into multiple files following a custom pattern similar to Word printing. Combine encrypted PDF with just a few clicks.