WikiTrust is open-source. Specifically, WikiTrust consists in two components:

• Ocaml code to analyze the changes in a wiki, and compute author reputation, text reputation, and text origin. This code can be used stand-alone to analyze large wikis and compute statistical datasets. This code is released under the New BSD License.

• Php code implementing a MediaWiki extension, and enabling a MediaWiki installation to interact with the above Ocaml code. This code is released under the GPL.