Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
TechEvents.co - Tech and startup events aggregator
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Event Hunt - Startups and Tech Events Curated By Locals
EventMobi - EventMobi is an interactive mobile event app, audience response and engagement platform for conferences and trade shows.
Konflist - Curated list of tech conferences all around the world!