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

WhosDown - App where you can genuinely make friends—connecting with someone that shares a common interest

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

Speciface - Instant access to contact information of people nearby

Bigtent - BigTent is a web-based organization and communication portal for groups.

Coffee Meets Bagel - Each week there are thousands of new couples who find each other through Coffee Meets Bagel! Find your Everything Bagel today.