Stretch - Uber for limousines (but it's free)
Navotar - The #1 Car Rental Software & Auto Rental Management System
BlaBlaCar - BlaBlaCar is a ride sharing service that connects travelers throughout Europe.
TSD RENTAL - TSD RENTAL provides rental management software solutions to independent, corporate, dealership and franchise car rental companies.
Skedaddle - Buspool to your favorite destinations
JumpDrive - Jumpdrive is a car rental and loaner fleet monitoring software.