1. A lot of databases: http://theinfo.org/get/data

2. http://dumps.wikimedia.org/

3. http://www4.wiwiss.fu-berlin.de/factbook/

4. Audio Books: http://librivox.org/

5. Books:

6. Ranks: http://data.ranker.com/

7. Reuters: http://code.google.com/p/text-analysis/downloads/detail?name=reuters_corpus-90_cat.zip&can=2&q=

8. CIA Factbook: http://www4.wiwiss.fu-berlin.de/factbook/

9. NyTimes: http://developer.nytimes.com/docs/article_search_api/

10. Many DataBases: http://thedatahub.org/

11. FlickrWrapper: http://www4.wiwiss.fu-berlin.de/flickrwrappr/photos/Brandenburg_Gate (Example)

12. Muisc Metadata: http://musicbrainz.org/

Links to other links:

http://wiki.dbpedia.org/Downloads38#links-to-cia-world-factbook

http://blog.visual.ly/data-sources/

http://www.readwriteweb.com/archives/where_to_find_open_data_on_the.php

http://www.datawrangling.com/some-datasets-available-on-the-web