Free imtranslator software for linux

ImTranslator is a Firefox extension that provides additional multilingual capabilities to Firefox for more efficient communication in foreign languages.
With ImTranslator you can enter multilingual text, check it for correctness, adjust unreadable messages, translate in different languages, look up words, print results and send email.
ImTranslator provides the most convenient access to online translation service powered by PROMT translation server (PROMT Ltd.) and Altavista. It includes the following modules: translation editor, virtual keyboard, spell-checker, dictionary, decoder, back translation, email client.
The interface of ImTranslator is localized for 6 languages to target a native speaking audience.
ImTranslator is an ongoing project which gradually implements new tools and features to make the multilingual communication more efficient.
Integration includes context and tool menu launch as well as a toolbar image button.