ScanTailor - Scan Tailor is an interactive post-processing tool for scanned pages.
DocFly - The Best Online PDF Editor. Create, Edit & Convert up to 3 PDF Files a month for FREE with the best free pdf editor!
Briss - Cross-platform application for cropping PDF files in a simple and fast way via a GUI.
PDFzorro - PDFzorro is a web based source for enjoying the professional level of PDF editing.
ScanKromsator - Scan Software with several advanced options
DL PDF Editor - With the help of DL PDF Editor you can easily fill out, sign and share multiple documents in seconds.