Speaker Directory by HeySummit - Guests for your next event or podcast (or submit yourself!)
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
PodKoi - Find podcasts to be interviewed on & guests to interview.
Zoho Backstage - Plan, run, and analyze your event— all from one place
Suggest a Guest - Easily suggest a guest for your favorite podcasts
Meetup for iOS and Android - Discover groups that are all about the things you love