The Free Dictionary

This is a comprehensive dictionary covering multiple languages: English, Spanish, German, French, Italian, Chinese, Portuguese, Dutch, Norwegian, Greek, Arabic, Polish, Turkish, Russian, Medical, Legal, and Financial Dictionaries. It is also a Thesaurus, Acronyms and Abbreviations, Idioms, Encyclopedia, a Literature Reference Library, and a Search Engine all in one!

Visuwords™ online graphical dictionary

Look up words to find their meanings and associations with other words and concepts. Learn how words are related to each other. Find synonyms and antonyms.


The Owl and the Mouse

Grolier Online Atlas

National Geographic Map Machine

Satellite, street maps and more in this online atlas.

Map collection from University of Texas

A large number of maps of all countries - historic maps also included.

Old Maps Online

Google Maps technology but with Historical Maps. Where: Reference/ Maps.