Forekast - Events on Forekast are posted and voted on by the community.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
PodBooker - The easiest way to get booked on podcasts
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Speaker Directory by HeySummit - Guests for your next event or podcast (or submit yourself!)
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.