When you connect apps together with automation tools like Shortcuts, AppleScript and callback URLs, you can end up with workflows much more powerful than any one app can deliver. The focus of this post is an app which facilitates this type of cross pollination: Hookmark (formerly Hook). Hookmark is an app for macOS which integrates other apps and resources, allowing you to cross link in just about any way imaginable. To give you an idea what it is about, imagine you are writing an Agenda no...