PaperCrowd is a free, community-driven, directory of academic conferences. Organisers use PaperCrowd to find new researchers for their event. Researchers use PaperCrowd to find new conferences they wish to attend.
For more info PS : https://www.papercrowd.com/
Help event managers organize great events, By providing them an awesome online, do it yourself, event ticketing and registration platform to sell event tickets online without any hassle.
For details PS : https://www.townscript.com/