Interlex (vocabulary trainer)
This free application will help you to learn vocabulary easily. Just enter the words and then you can start learning.
Verbix (verb conjugator)
This verb conjugator is available as freeware or shareware. You get a good overview of all forms of verbs.
Tulox (dictionary)
This freeware dictionary offers over 30.000 entries and is an appropriate supplement to the Interlex vocabulary trainer above.
Vocabulary system (vocabulary)
Vocabulary System is a practical system to learn new vocabulary of a foreign language. The programme includes seven dictionaries (English, Spanish, Swedish, Danish, Norwegian, French and German), with a total of 320.000 consultation terms, and with the possibility of editing, adding or eliminating words of the same ones, as well as creating your own dictionaries and lists of words.
WebDicty (dictionary)
WebDicty is a dictionary and an online translator that supports up to six languages, each with several available sources and quick access. The whole work of translation and definition is carried out through Internet, connected with different external linguistic databases. Of course it is worthwhile always having a dictionary on hand.