What are some alternatives?
When comparing SmartSVN and Office Tab, you can also consider the following products
TortoiseSVN - The coolest interface to (Sub)version control
TidyTabs - TidyTabs brings tabbed browsing to all of your desktop applications.
Slik SVN - SlikSVN is a free subversion client for the command line.
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
kdeSVN - Comfortable graphical SVN client for linux.
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...