Nonprofit organisation established to preserve Web sites by taking regular "snapshots". The Wayback Machine provides links to older versions of a webpage. There are special collections, for example on Web pioneers.
The world's most popular dictionary and thesaurus with definitions, synonyms, antonyms, idioms, word origins, quotes, audio pronunciations, example sentences and Word of the Day! Look up the meaning of words, slang, phrases, idioms, and abbreviations in o
The Free Wiki World Map – An openly licensed map of the world being created by volunteers using local knowledge, GPS tracks and donated sources. Includes an interactive map and details of how to get involved.