What are some alternatives?
When comparing Splash and MythTV, you can also consider the following products
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Emby - media server for personal streaming movies tv music photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
OSMC - OSMC is a free and open source media center built for the people, by the people.
DoubleDutch - DoubleDutch creates mobile applications designed to capture and surface data from live events and conferences.
Tvheadend - Redmine