Here's a completely offline Swedish-English / English-Swedish dictionary based on Folkets Lexikon (http://folkets-lexikon.csc.kth.se/folkets/) with more than 46,000 English and 89,000 Swedish entries. It incorporates around 12000 examples, 8000 explanations, 16000 grammatical hints and 4500 idioms, so it offers maximum possible help while you're learning English or Swedish.

It's totally free and does not require an Internet connection.

*To request extra features or bug-fixes, e-mail me!