Beolingus
- http://dict.tu-chemnitz.de/
- Two-way German-English dictionary with about 340,000 entries and several search options. From the Chemnitz University of Technology.
FreeDic
- http://www.freedic.net/
- Birectional German-English dictionary with about 300,000 terms covering the most common vocabulary. From publisher Sprachendienst. Requires JavaScript.
Transgem
- http://transgem.de/
- Technical online lookup which uses translated texts to provide corresponding meanings for words and phrases. Requires JavaScript.