...It is essentially a rewrite, sans gold-plating, of the excellent Bookmark4U which I used for many years, and whose interface and source code have unfortunately become pretty dated. Kudos to the authors of this application.
On the front-end it is using Reagent, which is a ClojureScript wrapper for the React user interface framework. The user interface style is the ubiquitous Bootstrap framework. On the back-end it is using Redis for persistence.
This was written for my own edification, so the features are completely due to my whim. ...