SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
SANeForce - SAN Pharma Sales Force Automation
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
pretix - pretix helps you to sell tickets for your event in an easy way. It supports multi-lingual events and provides a wide range of features