Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
SmartDVB - This is a fully functional DVB application which supports DVB-S/T/C and ATSC devices.
Event Hunt - Startups and Tech Events Curated By Locals
Tvheadend - Redmine
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
DVB Dream - DVB Dream is DVB player with many nice and unique features (more below), it supports standards...