Navita is a free five language translator for your Blackberry. Its similar to bbtrans also made with a very simple interface. I don't know what translation engine they are using but it seems to be okay and fast enough. My officemate claims the German translation works well and is usable
GMGNew for HanDBase -Latest and greatest General Medical Glossary with over 2600 entries. Previous versions had 3 text fields, these have been merged into 1; Links fields (see also...) much improved. Images supported/included. See the readme.txt included in the zipped file. An animated gif in the zip file gives a demo of what it looks like installed
Photo Translato Just take a picture of text in any language using your BlackBerry camera and Photo Translator will instantly capture the text and translate it.
It is incredibly useful in situations when quick translation is needed: in airports, train or bus stations, restaurants and many other places
LIVE Dictionary Czech - English is an interactive translation dictionary for mobile phones.
Features
# Fast lookup
# Interactive searching as you write
# Size of dictionary may be chosen according to free memory in your device and your needs
Oxford Portuguese Minidictionary - The Oxford Portuguese Minidictionary offers up-to-date coverage of essential day-to-day vocabulary with over 100,000 words, phrases, and translations. The dictionary provides a handy and comprehensive reference work to tourists, students, and business people who require quick and reliable answers to their translation needs
Collins Mini Gem Czech-Danish & Danish-Czech Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Czech and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word
Collins Mini Gem German-Greek & Greek-German Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word
The Collins Mini Gem Danish-Dutch & Dutch-Danish Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Danish and Dutch of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word