Has anyone found other tools like Otavo?

Quest details: I think Otavo is really neat. what I wonder is, is this like anything else you have seen?
Items posted to quest Syndicate content
  1. General purpose question and answer service.
    By BlueCockatoo, 2 years 5 weeks ago
  2. By Kirby Plessas, 2 years 6 weeks ago
  3. Digg like voting buttons, Live search, categories.
    By ycc2106, 2 years 5 weeks ago
  4. Share personal goals
    By benito, 2 years 6 weeks ago
  5. Still in beta. Service that allows people to submit links around topics and vote on their relevance.
    By BlueCockatoo, 2 years 5 weeks ago
  6. An anonymous Q&A site where you can ask anything to the general public.
    By BlueCockatoo, 2 years 5 weeks ago
  7. More focuses on socialization than info discovery, but still a great community to find people with similar interests.
    By BlueCockatoo, 2 years 5 weeks ago
  8. Ask and answer questions for free or money
    By benito, 2 years 6 weeks ago
  9. Another site similar to Listible.com that lets you create a list and add links to it.
    By BlueCockatoo, 2 years 5 weeks ago
  10. Start a topic here and add links that are relevant. Also provides a way to rank the items and the lists themselves.
    By BlueCockatoo, 2 years 5 weeks ago
  11. A question and answer site that seems to have a slightly more mature audience than Yahoo Answers.
    By BlueCockatoo, 2 years 5 weeks ago
  12. A service for collaboration around different topics.
    By BlueCockatoo, 2 years 5 weeks ago


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