Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Airtime - Hang out with group video, share music & videos
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.