PDFTK Builder is a free graphical interface to for PDFtk, making it much easier to use. It is a easy to use tool to collate (merge), split, encrypt, decrypt, stamp and rotate (only 90°, 180° or 270°) pdf documents.


The best open source alternative to Bluebeam Revu is PDFTK Builder. If that doesn't suit you, our users have ranked more than 50 alternatives to Bluebeam Revu and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Bluebeam Revu are PDF4QT, jPdf Tweak, PDF Merge tool and FormulatePro.
PDFTK Builder is a free graphical interface to for PDFtk, making it much easier to use. It is a easy to use tool to collate (merge), split, encrypt, decrypt, stamp and rotate (only 90°, 180° or 270°) pdf documents.


Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.


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, edit attachments and more.

PDF Merge Tool is a simple, fast and easy tool for merging PDF files. It runs on the .NET framework v2 and uses the PDFSharp library.

FormulatePro helps you open and write on PDF documents. You can fill out any PDF form document, drop in graphics, scribble with the mouse or a tablet, save and print.

This desktop app reads and writes PDF documents. It was created for a small copy shop in Germany. Features of this application are:



