Couchsurfing
A pre-existing platform similar to Airbnb that was popular before Airbnb's launch. Dalton Caldwell found using Couchsurfing painful, and Michael Seibel notes its communal, 'pay-it-forward' ethos, which contrasted with Airbnb's commercial approach.
Common Themes
Videos Mentioning Couchsurfing

The Vagabond’s Way, Tactics for Immersive Travel, Pilgrimages, and More — Rolf Potts
Tim Ferriss
An online platform for finding free accommodation and cultural exchange with locals, discussed as a potential remedy for lack of social interaction in hostels.

Where Do Great Startup Ideas Come From? – Dalton Caldwell and Michael Seibel
Y Combinator
A pre-existing platform similar to Airbnb that was popular before Airbnb's launch. Dalton Caldwell found using Couchsurfing painful, and Michael Seibel notes its communal, 'pay-it-forward' ethos, which contrasted with Airbnb's commercial approach.

Lessons Learned Traveling The World | The Tim Ferriss Show (Podcast)
Tim Ferriss
A platform that facilitates free accommodation through local hosts, mentioned as having similar benefits to Airbnb in breaking assumptions about accommodation costs.

Cal Fussman Interview (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
A hospitality exchange service mentioned by Tim Ferriss as a cost-free option for travelers, which Cal Fussman wishes existed during his travels.

Rolf Potts Interview: Part 1 (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
A service for travelers to find free accommodation, discussed as a tool that has changed travel.

The Person I Call Most for Startup Advice — Naval Ravikant
Tim Ferriss
A platform recommended by Tim Ferris for combating loneliness by hosting or connecting with others.

Turning Your Users Into Paying Customers
Y Combinator
Mentioned as a free alternative to Airbnb, highlighting a period before Airbnb began charging.