Ubuntu Taxi Driver is a free taxi app available for Android users. Developed by I Care Net, this app is designed to provide a human-centric and community-driven taxi service. The app is named after the African philosophy of Ubuntu, which means "I am because we are."

The app offers a unique referral system where anyone, whether a driver or a customer, can refer their friends and family to use the app and get a big bonus from each trip they make for the rest of their life. The app also allows users to track their ride in real-time, rate their driver, and view their ride history. Overall, Ubuntu Taxi Driver is a promising app that aims to create a community-driven and sustainable taxi service.