The OpenSimulator Community Conference is an annual conference that focuses on the developer and user community creating the OpenSimulator software. Organized as a joint production by Core Developers of OpenSimuator and AvaCon, the virtual conference features presentations, workshops, keynote sessions, and social events across diverse sectors of the OpenSimulator user base.

More info at: http://conference.opensimulator.org and to register, go to: https://oscc15.eventbrite.com