GUTL, free software, conferens cuba 2016
This is an attempt to create a skype-like service based on the SIP proxy Kamailio and the SIP client Jitsi.
Giggity is an Android app that loads xcal/Pentabarf XML files (that contain schedules of conferences/festivals/other events) and lets you browse them in various convenient formats.
The eighth Hackers On Planet Earth conference, for which thousands of hackers, makers, artists, and subculture members from around the world will descend upon New York's Hotel Pennsylvania for three days (July 16 to 18, 2010) will feature speakers and projects and mayhem to keep anyone entertained and enlightened.
International technology & security conference. Four days of technology, ideological debates and hands-on tinkering.