Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Highlight - "Highlight" physical books through conductive pages 📖✨
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Find-a-Friend - When all of the internet and social-media sites haven't yielded any result, Find-a-friend still offers hope.Find-a-friend is an offline search tool .
Bigtent - BigTent is a web-based organization and communication portal for groups.
Pastimes - Find friends who do your favorite activities