Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
JustRSVP.me - Online Invitations and response tracking for weddings, baby showers, birthdays, parties, and other...
Ticket Tribe - Sell tickets online with no fees per ticket
Evite - Send online invitations for all occasions by email or text message. Create invites for birthdays, baby showers, save the dates, or customize your own design.