Toggle to Collapse Widgets and Blocks?

[Dreadknux]

My community has been asking for a means to toggle/collapse widgets, in the same way you can for forum lists. Is there a way you can do this already, or is it something that IPS needs to add to the system?

I noticed an old plugin on the Marketplace that seemed to accomplish this:

But it doesn't seem to be downloadable anymore, or compatible with the latest version.