Bonsai is an interesting free app that allows you to summon a web browser anywhere on the Mac by keystroke. It’s intended for researchers and programmers, but due to the convenience of an instant web browser accessible from anywhere, it may have utility for other users too.

Once you download the app, you can use Option + Spacebar to open Bonsai.

You can use Bonsai in overlay mode by clicking the two overlaying boxes icon near the URL bar, or as a full screen web browser (the default), and there are built-in search/find and spatial organization features to…