The LaunchBar and Alfred launcher apps are super helpful. Amongst other things, they allow you to search for information with minimal typing. Hook is also an information retrieval app. However, Hook is designed for contextual information retrieval, i.e., to instantly retrieve information that is connected to the document or object you are working with in the current app of your choice, whether the item is on the web or on your Mac. Hence Hook’s slogan, “find without searching”.
On the Hook website, I’ve recently produced a blogged about how launchers can be used with Hook, and produced a screencast on the topic: