LabChirp - Create simple sound effects on Windows.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
bfxr - An online chiptune sound generator.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
sfxia - Free retro style sound generator for games.
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.