Lingoes 2 Library - Download Free Dictionaries and Encyclopedias
Lingoes has a growing up database of dictionaries, thesauruses and encyclopedias in 60 languages, covering a wide range of fields. These dictionaries are from publisher, partner, open source community and other Lingoes users, you may download them and install which you need.
Wikipedia is a multilingual, Web-based, free-content encyclopedia. It is written collaboratively by volunteers with wiki software, meaning articles can be added or changed by nearly anyone.