# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2013-12-15 18:49:52 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/412293447652229120) In reply to: [@dermdaly](http://twitter.com/dermdaly/status/412277556105457665) @dermdaly Started using it seriously recently. I use PlantUML, a simple definition format so I can think about the structure, not the layout