CMS for microblogging

As I said on the last post, I am really interested on microblogging as researcher, so in order to start working on field studies first we will need a robust platform for microblogging, I mean, Codice is good enough but we needed a specialized microblogging's CMS.
So, gelato is a tumblelog CMS built on AJAX, PHP and MySQL.
The gelato project is open source (you can use and change the original source code freely).
The post formats found on gelato include photos, video, audio, links, quotes and dialogues.
Now I can continue exploring the way of get SMS from a cellphone.