Was just thinking how it might be useful to have a thread where we share the useful tools/extensions we've used to make working on MA easier. I'm not sure how successful this thread will be, but I figure some folks might find some of the tools folks share in here useful. So please feel free to share any tools/extensions, and I'll add them to the OP here. I'll start with the two I use extensively.

Linkclump
Chrome. Nifty tool that lets you select and open multiple links at once. Helpful if you're working on lists on MA.

Copytables
Chrome. Useful for selecting information from tables/columns/rows, as well as providing numerical data about the items in a list.

Here's a javascript that allows you to open and close all (+) items in the modification history at once:


Simply copy this code and add it as the "URL" to a bookmark entry in your browser. Click the bookmark on an applicable page and voilà.