AlterNetRides
   Free service nationwide that matches up commuters. Includes links to other resources.
   http://AlterNetRides.com

Autostop
   Connects people together in sharing car journeys. Worldwide.
   http://www.compartir.org/

CarPoolWorld
   Matches commuters based on proximity to home and work. Worldwide.
   http://www.carpoolworld.com/

CarSharing Network
   A program where members have access to a local fleet of vehicles, but do not own the individual vehicles. Links to European and North American cities with car sharing programs, and related resources.
   http://www.carsharing.net/

Carpoolconnect.com
   A commuters search engine. Enter a zip or postal code and find commuters in your area searching for you to share a ride.
   http://www.carpoolconnect.com

Compartir
   Carpooling via a geographic search engine. Enter your requirements.
   http://www.compartir.org/vseng.htm

Freewheelers
   Lift sharing database connects drivers and passengers to share the cost of travel to work, festivals, gigs and sporting events.
   http://www.freewheelers.co.uk

Lift Share
   The online journey matching service that finds you travelling companions.
   http://www.liftshare.com

Rideseek
   Find drivers, riders and mates for free or cheap travel worldwide.
   http://www.rideseek.net/

drive2day
   Cost free ride sharing service which offers rides world wide. Search for drivers or passengers.
   http://www.drivetoday.de

eRideShare
   Ride sharing and carpool board. Travel and commuting databases arranged by country and state.
   http://www.eRideShare.com