Linguaterm 2.0

The most convenient and comprehensive Spanish-English bidirectional dictionary for your PC. This is a professional grade dictionary for use in education, translation, and business. Over 300,000 entries, verb conjugations, and much, much more!

Lingvosoft Dictionary for Windows allows instant word translation and back translation of 400.000 words/phrases.

iTranslator is a software that using free online resources to translate to/from 13 different languages.