ForeignDesk from Lionbridge is an excellent tool, especially for translatying GUI items. If correctly configured, the tool can emulate programming in c , e.g. you can easilly change size of dialogs and buttons with a simple drag and drop operation, so that the localized strings are not truncated in the GUI. Usually (this was 2 years ago, when I did my last project with FD) the translator receives a free version of FD, with TM database already configured.
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