Wiki sites are loved by the search engines because of the user generated content that they provide (just look at Wikipedia).
Moreover your contextual links on these wikis will give you an immense SERP boost! The PR for the WIKI sites will vary from N/A to 7.
All the wikis are hosted on unique domains. Also I will submit all the Wiki URLs to Lindexed to get them crawled by Search Engines (report provided). **Unlimited Keywords** and 1 URL allowed!
Make 5976+ Contextual Wiki Backlinks on Wiki Sites including EDUs with Unlimited Keywords is ranked 5 out of 5. Based on 41 user reviews.