In search of community, a woman named Ryan from Brooklyn, N.Y., decided to create flyers seeking those who share her name.

Kevin Ryan can’t leave his home right now but that didn’t stop him from closing a deal for a business that fosters in-person meetings. Ryan’s AlleyCorp. and a group of private investors bought a ...

At Meetup’s headquarters in midtown New York City, a screen broadcasts event RSVPs that roll in at an average of 100 per minute. The events span the globe: “Ankara Board Game Enthusiasts” in Turkey, ...