https://www.fsf.org/blogs/community/libreplanet-2019-call-for-sessions-deadline-extended-until-nov-9th
LibrePlanet 2019 Call for Sessions deadline extended until Nov 9th — Free Software Foundation —...
call for sessionsfree software foundationlibreplanetdeadlineextended
https://www.cvent.com/c/abstracts/9de0e91d-2df0-4b24-9106-2bf326194c79
National Convention 2026 - Open Call for Sessions
call for sessionsnational conventionopen
https://reg.githubuniverse.com/flow/github/universe26/cfs/page/cfs-submissionguide
Universe Call for Sessions
GitHub's global developer event is back. Join the world's fair of software.
call for sessionsuniverse