In case you need a minimal scalable twitter to install inside your company servers for internal usage, take a look at Retwis http://retwis.antirez.com http://re

In case you need a minimal scalable twitter to install inside your company servers for internal usage, take a look at Retwis http://retwis.antirez.com http://retwis.antirez.com It started just like an example for Redis but actually it's pretty near to be usable with a bit of hacking on it.