The best alternatives to Roam The Lineup are Hacker Surfing, compairbnb, and Seat Surfing. If these 3 options don't work for you, we've listed a few more alternatives below.
Seat Surfing is a first nomadic community where users find people who work with together. It enables you to meet up with other nomads at a cafe, office, house or any space anywhere. It’s a sort of Couch Surfing for Co Working.
With Tribevibe I want to offer to the world a community and an online tool to create offline experiences, that mostly happen through travelling, hosting, and meeting others alike, to create and nurture global friendships.