About Wiki
A wiki is a website which allows its users to add, modify, or delete its content via a web browser usually using a simplified markup language or a rich-text editor.
Wagn
License :Free and Open SourceLanguage :Ruby
Wagn is an open web platform for building coherent web systems.Using simple wiki-inspired building blocks called cards, “Wagneers” construct sites ranging from simple content managers to custom project trackers to fully integrated web suites.
About Wikipedia
Wikipedia is a free, collaboratively edited, and multilingual Internet encyclopedia supported by the non-profit Wikimedia Foundation.
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