TechEvents.co - Tech and startup events aggregator
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Zoho Backstage - Plan, run, and analyze your event— all from one place
All Design Conferences - A list of all front-end and design conferences
Meetup for iOS and Android - Discover groups that are all about the things you love
Hero35 - The best place to watch curated dev conference talks