Warm Showers List

http://www.warmshowers.org/

Free Software
Warm Showers is based on a Drupal installation.

Donation & Volunteer Based
Warm Showers is donation based. All the registration and technical work is done by volunteers. Costs in 2009/2010 are about $600/year for hosting. Warm Showers received US$464 in donations in 2009.