Anyone got any decent 'Off Canvas' Code snippets for usage with Sage theme?

Hi, I’m guessing people have a quick solution for reinstalling a responsive Navbar if they aren’t using the Bootstrap one, so am just wondering if anyone is using an ‘Off Canvas’ solution they can recommend?

I imagine this has been done already and better than my offering, but in case it’s of use to anyone:

Here’s a fork of bootstrap-nav-walker that implements a fairly nice Bootstrap Drawer.

It only works to one level of indentation as of this writing. Suggestions and other useful input welcome, as always.