EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
CiviCRM - A Constituent relationship management for the Civic Sector
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Splash - Anyone can create a Splash event, whether you're a company hosting a single event or an individual hosting a personal event like a birthday or wedding. Get Started for Free. Text goes here. X. Full Event Program.