Babylon

Many languages available from this translating dictionary program. Free for 30 days and then switches to a adware mode where you need to view ads to continue to use the program or pay to use it without ads.

LookWAYup

This embedded translating dictionary, thesaurus and search allows you to click on a word in a webpage to look up definitions or search the web for information about the word you clicked on.

Instant Messenger Translator

Instant Messenger (IM) Translator is a tool that provides instant translation of messages and other texts in major European languages to be used with the ICQ and AIM messeging systems.

CleverKeys

provides instant access to definitions of words from any Windows or MacOS while the user is online.

CME Flashcard Program

CME is a free, web-based application that lets users create customized associative exercises much like those in Mentalcode language courses