What are /r/ridesharing's favorite Products & Services?

From 3.5 billion Reddit comments

Coyatri launching in Hyderabad and it focuses on both inter-city as well as intra-city for corporates people carpool services . The Coyatri is available on both Android & web. The mobile app is not a listing app where users can only list their ride and then are required to come back and check the replies but it automatically matches all the rides posted by different users and suggest the best possible match for them. Coyatri have a strong focus on safety & security of our users. Payment between users for carpool

https://play.google.com/store/apps/details?id=com.ntc.coyatri&hl=en