Gaggle Mail - Gaggle Mail is a simple and easy to use email list manager.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
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.
Groups.io - Email and web based discussion group software, includes archiving, emails, wiki, polls, file...
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.