Browse add-ons inside Ledge, install one with a click, and keep them up to date.

Built into Ledge for macOS.
Each add-on shows screenshots, a motion demo and what it can do.
Ledge shows who made it and asks you to trust it. Turn any add-on off, or remove it.
Describe what to show in Swift with LedgeKit, and Ledge draws it for you.