PDF Cube Pro...... 

PDF Cube Pro is a tool to create PDF files from all printable files and all images.It can convert PDF to Image, it can Merge and split pdf, Batch Encrypt and Decrypt PDF files, Print  PDF file in Batch Process and insert Watermark in PDF file in Batch Process.

 FREE PDF Cube.....

Free PDF Cube is a tool to create PDF files from all  printable files and all images. PDF Cube  install as a  virtual printer. It convert word to pdf, convert excel to  PDF, convert ppt to pdf,  convert image to pdf, convert  xml to pdf etc without using Adobe Acrobat Software or  other  third party tool.

PDF MERGER & SPLITTER

PDF Splitter Merger is a simple desktop utility to combine two or more PDF files into a single PDF document.PDF Splitter Merger is a application with easy to use graphical interface to split and merge multiple distinct PDF documents in few steps, It does not require Adobe Acrobat or any other software.