Wikipedia
GripeO
GripeO is an online complaint portal based in Buffalo, New York which allows consumer users to submit feedback for businesses. Consumer feedback, called "gripes" in the system, can be submitted via the GripeO website, iOS app, or Android app. That feedback is then delivered to the business via social media, primarily through Twitter
GripeO was founded in 2012. In 2015 GripeO launched ReSolve Social, a suite of SaaS tools to help businesses leverage the feedback that GripeO aggregates.