Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Briolink - Briolink is a SaaS platform that connects companies together by bringing their ecosystems of business relationships into a single global network, with mutually verified roles and achievements.

Facebook Local - Discover places to go and events happening near you

Wildcard - Discover, connect and meet people at communities

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Intch - Professional networking app