Leade.rs - Leaders matches event organizers with speakers in tech.
Event Hunt - Startups and Tech Events Curated By Locals
Shapr - A completely free way to build your professional network.
TechEvents.co - Tech and startup events aggregator
Wildcard - Discover, connect and meet people at communities
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.