title: What's the best open source wiki platform?
body: <p>I've been tasked with setting up a wiki for our developers to share project information (Server IPs, Interface Documentation, Architecture Diagrams, etc). My manager has suggested Deki and I've also heard of MediaWiki and Twiki. One project here uses Trac but we don't need it's SVN capabilities and we'd like to have a WYSIWYG editor if possible. We also want to host this wiki locally.</p>
  
  <p>I couldn't find many web resources comparing the various wiki platforms and previous stack overflow questions haven't really addressed the question directly.</p>
  
  <p>What's the best wiki platform? What have used in the past that's been good / terrible?</p>
  
  <p>Requirements:</p>
  
  <ul>
  <li>WYSIWYG</li>
  <li>Clean interface</li>
  <li>Easy to use</li>
  <li>Attach Files to pages</li>
  <li>User Management Hierarchy (Users / Groups)</li>
  <li>Open source</li>
  <li>Hosted Locally</li>
  </ul>
  
  <p>If not duplicate, pretty similar: <a href="https://stackoverflow.com/questions/472882/coding-standard-wiki/472925#472925">Coding Standard Wiki</a></p>
  
  <p><strong>Update:</strong>
  <br />We've decided to go with Deki. Great interface, WYSIWYG, User Hierarchy and installing from the VM image was a snap. I upvoted the Deki post but I'm going to give best answer to the wikimatrix answer as that was the best suggestion for helping me compare the various wikis platforms. Thanks!</p>