The following conferences are currently seeking proposals for speakers, workshops, exhibitors and more. Don't forget to look out for BarCamps and Unconferences, which accept talk proposals on the day of the event.
Call closes on 7th May 2015
Call closes on 10th May 2015
Call closes on 21st May 2015
Call opens on 1st June 2015 and closes on 30th June 2015