Founded in 2005 and based in Seattle, Wetpaint is a hosted wiki editor that allows you to created your own wiki about any topic you choose. You can use it for yourself, reference or clubs/organizations, the possibilities are endless and it is free to use. There is a sleek and very dynamic user interface so it’s easy for anyone to use, even if you don’t know much about creating web sites. the process of registering and setting up your account only takes about 2 minutes. After that, you can start adding content, customize your page and invite others to add information and build the site with you. You can tag each page individually and there are a few different options to control who can add content to the page.