HogTrans provides an automatic word translation engine built on statistics of text translations used for free software. It basically provides an automatically created dictionary with multiple translations and example usages for each. HogTrans can import translations from standard GNU .mo-files.
Virtaal is a tool for computer-aided translation that offers a simple, user friendly interface. It includes powerful features such as translation memory, terminology management, and placeable handling. Virtaal can edit files such as Gettext PO, XLIFF, and various other localization formats.