Cardinal is an AI-powered product backlog tool that helps businesses prioritize features and initiatives by gathering customer feedback and revenue data. It allows companies to sync customer data from CRM and CS tools, extract customer feedback from various sources, and group features into initiatives and impact areas. Additionally, it can calculate and forecast revenue value for each feature and keep track of feature status and dates. It is loved by product thinkers, with experts praising its speed and its ability to capture signals.