From: Craig on
F/OSS & cross-platform. Haven't tried it, prolly won't. But heh, maybe
someone will find use for it.

> Scan Tailor is an interactive post-processing tool for scanned pages.
> It performs operations such as page splitting, deskewing,
> adding/removing borders, and others. You give it raw scans, and you
> get pages ready to be printed or assembled into a PDF or DJVU file.
> Scanning, optical character recognition, and assembling multi-page
> documents are out of scope of this project.

<http://scantailor.sourceforge.net/>

--
-Craig