A wiki is a software tool designed for publishing web pages by enabling anyone who accesses it to contribute or modify content, using a simplified markup language. Wikis are often used to create collaborative web platform and to power community websites. Wikis are used in businesses to provide affordable and effective intranets and for Knowledge Management. Wiki was named by Cunningham ( the author of the first wiki), who remembered a Honolulu International Airport counter employee telling him to take the "Wiki Wiki" shuttle bus that runs between the airport's terminals. According to Cunningham, "I chose wiki-wiki as an alliterative substitute for 'quick' and thereby avoided naming this stuff quick-web.” [1] [2] An example of wiki use is Wikipedia which became the largest knowledge repository over the Web. And the reason behind that is allowing web users to be authors, so anyone who is able to access and read articles published on Wikipedia can also publish t...