PdfMod

qvPDF is a PDF creator for Windows, but you can also merge & split. Its implemented as printer driver and uses plugins to execute different actions after creating the PDF. …

PDF-Shuffler is a small application which allows to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

jPDF Tweak is a Swiss Army Knife GUI application for PDF documents: combine, split, rotate, reorder (n-up, booklet), watermark, edit bookmarks/fileinfo/pagetransition, compress, encrypt, decrypt, sign, repair,...

PDF Chain is a GUI for pdftk written with gtkmm. You can merge some pdf files to one pdf file or split, set background/stamp or add attachments to one pdf …

PDF Rider is a GUI for "pdftk" and allows you to make some simple manipulations to PDF documents. It is written in c#/.net 3.5 (WPF), with the aim to be …

Junko is a PDF tool developed for quicker and more efficient access to information needed from your PDF files, reorganizing them in a way that makes them easier to manage …

Couturier is a PDF merge application for the GNOME Desktop. It allows to merge multiple PDF documents and images into one single PDF document.