Some developers might overlook the license selection when using the SmartGit. Instead of choose non-commercial, they by default clicked Next on the “30 days Free Trial”. Worse thing is reinstall the SmartGit won’t get you to change the license.
To alter the license. First, go to
OS X: ~/Library/Preferences/SmartGit/<main-smartgit-version>
and remove the file settings.xml.
Then start SmartGit program again. This time you will be ask about all the Settings information, which including the license!