GeekOUT conference started in 2011 as a local Java event. In 2013 it will be the 3rd coming for GeekOUT and the conference agenda is quite outstanding!
There are 3 things about the conference that stand out:
Agenda - 15 carefully selected talks. It is all about Java, JVM and JVM programming languages and tooling.
Workshops - a dedicated day for hands-on workshops.
DemoGrounds - a number of very cool vendors will be exhibiting: Hazelcast, CloudBees, Atlassian and more!
However, one interesting thing about the conference is that it takes place in Tallinn. I can tell you for sure - Tallinn is absolutely awesome in June! Well, it usually is :) So if you are a Java developer and haven't been to Tallinn yet - now you have a good reason to visit the city!