Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Reminder Commander - Reminder manager that reminds you about important events in advance.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
JIT Scheduler - JIT Scheduler is a task scheduler for Windows 95/98/ME/NT4/2000/XP/2003.
Ticket Tribe - Sell tickets online with no fees per ticket
Memo to Me - Online email & SMS reminder service.