TechEvents.co - Tech and startup events aggregator
Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Leade.rs - Leaders matches event organizers with speakers in tech.
Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.