Prototype Toolkit is a Chrome extension for Axure that provides various functionalities, including:

Synchronize views and states across different Axure screens (i.e., on one screen, open a link, and on another screen, you'll see the same link being loaded)Prototype Toolkit also provides the option to open a flow or diagram directly from a sitemap. You can edit the address of the flow or diagram, to update global variables on the same flow or diagram you’re exploring. You can see the properties of the elements, like the style name, color, font, layer name, x, y, and more. You can also edit the address bar, so that you can view the global variables, while you're exploring the flow or diagram.

Prototype Toolkit has an auto-collapse feature for you to collapse all pages and folders on page load, except the current linked page. It also provides an auto-collapse function for folders.