PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
Online Convert - Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.
PDF Arranger - Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop...
online2pdf - This Online PDF Converter can convert all your files to PDF but also compress and merge PDF files! Word, Excel, PowerPoint, images and any other kind of document can be easily converted to PDF on Online2PDF.
Debenu PDF Tools - Simple to use solution to merge PDF files, edit document properties, add and edit custom metadata, convert images to PDF, convert PDF to text and much more.
Wide Angle PDF Converter - Convert PDF documents to Word, PowerPoint, Excel, JPG and other formats!