The best alternatives to HackerCouch are Nomad House, Horizon, and Callwarden. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of HackerCouch?
General Collaboration— One inbox for all your work discussions
Callwarden lets you create a new phone number to give to strangers and keep your personal number private. Stop giving out your personal number. Instead, use a callwarden number and respond to voicemails at your leisure.
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.