Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
Ticket Tribe - Sell tickets online with no fees per ticket
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows