Hookshot maintains a "demo" application running at https://demo.hookshothq.com.
This basic "Todo List" application is meant as an example of a user facing application which uses Hookshot to allow it's users to configure and receive webhooks. It utilized the Hosted Management Pages feature of Hookshot.
At the moment, this demo application allows for public access to the Hookshot dashboard via shared credentials. You can use these credentials in order to explore the layout and functionality of the dashboard.