Axure is a software tool used for creating wireframes, prototypes, and specifications for websites and applications. It allows designers and developers to visualize their ideas and workflows without needing to write code. With its drag-and-drop interface, users can easily create interactive designs that simulate user experiences. In addition to wireframing, Axure supports collaboration among team members by enabling sharing and feedback on projects. It includes features for adding annotations, creating user flows, and conducting usability testing, making it a comprehensive solution for product design and development teams.