GoToWebinar - Webinar & Online Conference | GoToWebinar
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Event Hunt - Startups and Tech Events Curated By Locals
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets