How to extend the Discourse sidebar?

[merefield (Robert)]

You might need some developer assistance but this is feature rich:

Discourse Bars (a sidebar framework)

Overview A Theme Component that allows you to lay out Components (“widgets*”) on top and side bars Specify a set of “widgets” distinctly for Route and Position. Supports setups for each of: discovery[1], topic, tag[2], category[2:1] OR categories[2:2]. “Bars” can be either: top, left, right OR alternative right location. Each bar can be collapsed or dismissed (refresh browser to reset dismiss). Handles the Official Sidebar, but if you intend you use a Bars Left Sidebar, the Dropdo…