At GNOME we organize GUADEC, our annual conference, and co-organize Linux Application Summit with KDE. Both events currently have open CFPs.
GUADEC: Due March 22 (likely to be extended). Office hours are scheduled for March 11 and 18. We’re interested in everything FOSS, community, and tech. Office Hours for GUADEC Call for Proposals – Getting to know GNOME
LAS: Due March 15 (likely to be extended). Interest in app focused talks, Linux ecosystem, platform diversity, community and collaboration, and legal and licensing topics. Call for papers