FITTEVER - Fitness at your fingertips. Live fitness classes.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Classtra - Single platform for virtual, in-person, hybrid activities
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
SocialBoat.live - A real life Fitness game
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.