Warsaw JUG is the biggest Java user group in Poland with over 600 registered meetup users and 800 members of mailing list. We meet 6-7 times every month for the presentations, lectures, workshops and barcamps regarding all the technologies powered by JVM. WJUG is gathering a number of inititives: WJUG regular meetings, Jinkubator, SpringLabs, WJUG-JCP, Devox4Kids. We organize two great conferences: Confitura and Warsjawa. We are helping the number of spin-off initiatives such as GitKata, Warsaw Groovy User Group and Warsaw Scala User Group. WJUG leaders are one of the leading forces driving the Warsaw developers community.