GT4T Suite integrates Google Translate and Google Dictionary into all Windows applications. It supports many language pairs (over 50 languages). It brings the most useful online resources to your fingertip to ensure smoother translation process with less interruption and can remarkably increase your productivity.
GT4T is small, clean, easy, unobtrusive. It works in all Windows applications (anywhere you can type text).
If you use Tageditor, Trados Workbench, Trados 2009, Wordfast, SDLX, memoQ, GT4T provides extra hotkeys that automatically translate current or next segments.