ApowerPDF - ApowerPDF is a versatile PDF editor which also features as PDF converter, viewer, creator and more. It provides a perfect solution for all users.
DocuPUB - DocuPUB is an online file converter, file merger, file compressor, and file resizing tool.
Classic PDF Editor - View, Create, Convert and Edit PDF Files
PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
Bullzip PDF Printer - Free PDF Printer - Create PDF documents from Windows applications. Supports Citrix, Terminal Server, Windows 8, Windows Server 2012, Windows 7, Vista, 2008R2, 2008, 2003, and 2000. Works with 32 and 64 bit systems.
7-PDF Split & Merge - Functions: Split pdf-files, Merge pdf-files together