I'd like to see a web-based desktop RSS reader with a simple 3-pane interface like SharpReader's but it runs in Firefox and uses Firefox shared storage to store the user's usage data on their local machines, not on a server.
jstree for the tree widget
Web client: React or will vanillaJS/simple JQuery be enough?
Server: Rails with devise for authentication management
Machine-learning library to build a recommendation system
Reads in OPML from file or web source
Can we do recommendations (based on anonymous data, no need to explicitly link users together) and remain GDPR-compliant?
What about editorial right to exclude feeds -- we don't want to recommend certain feeds due to their content?
This project is one of its kind!