From Free State Linux Users Group
floss.pro
Most people might not have heard of floss.pro before, but it is a microblogging platform much like Twitter. They also integrate nicely so you can use floss.pro as your main platform and your updates will be aggregated to Twitter (and perhaps from there on to Facebook).
So if you are interested in free/libre open source software, come and join us!
Follow FLUG at !flug