LEO English/German Dictionary:Allows two-way searches for over 300,000 words and phrases. Several options available.
Babylonia Computer Science Dictionary: Large glossary of computer terms for translation from English.
Basic Word List English - German: Two vocabulary lists with a total of about 1700 basic words.
Beilstein Dictionary: Two-way glossary of organic chemistry terminology.
Canoo.net German Dictionaries: Meta-search of several dictionaries and a linguistic glossary. Allows lookup of keywords, linguistic terms, and affixes, and compound words.
Culturally Authentic Pictorial Lexicon: Categorized, searchable glossary featuring images.
Dict.cc: Two-way lookup with over 350,000 keywords. User contributions are encouraged.
English-German Dictionary: Online lookup.
English-German Dictionary of Common Computing Terms: Specialized, one-way word list.
English-German Idiom Dictionary: Searchable, alphabetized glossary of over 4400 phrases.
Excavation Dictionary: Specialized two-way dictionary for archaeologists. Browsable by first letter only.
Foreign Language Master: Includes online Java and HTML versions as well as Windows and Amiga versions for download.
FreeDic: Birectional German-English dictionary with 240,000 terms covering the most common vocabulary. From publisher Sprachendienst. Requires JavaScript.
German <-> English Dictionary: Two-way word translator with about 165,000 entries and several search options. From the Chemnitz University of Technology.
German-English Music Dictionary: Glossary with over 2000 entries.
How to Swear in German: Glossary of insults and swear words with English translations and sound files.
Library Glossary: Contains approximately 90,000 technical terms and abbreviations about libraries, books, and data processing.
LinguaDict: Allows two-way searches of over 512,000 entries. Includes several search options. Requires JavaScript.
Online Dictionary: English to German: Word translators to and from English.
QuickDic: Two-way word translator with several options. Windows version available for download.
The Alternative German Dictionary: A glossary of slang and obscenities.
The New English-German Dictionary: Includes more than 190,000 translations, lists of strong verbs and abbreviations, and a Windows version for download.
Transgem: Technical online lookup which uses translated texts to provide corresponding meanings for words and phrases. Requires JavaScript.
UsefulGerman.com: Glossary of abbreviations, geographical names, numbers, and expressions of time.