The Translate.Net will help you to translate words and phrases to and from numerous languages in simple way. This free, open-source software work as client to most popular translating services available online (translators, monolingual and bilingual dictionaries).
26 sites, 40 services, 39 languages, 1367 translations directions.

Services:
- Google dictionary and Google translator
- Wikipedia and wiktionary
- Yahoo Babel Fish translator
- SYSTRAN translator (used by Yahoo Babel Fish)
- Merriam-Webster dictionary and thesaurus
- etc

Requirements:
- Windows 2000/XP/2003/Vista
- Microsoft .NET Framework Version 2.0
- Connection to Internet