derby VS LoopBack

It provides seamless data synchronization between the server and the client. Derby.js is well known as the full-stack Node framework.js for writ­ing modern web applications. You can use it to create custom code and develop high-performance web applications. Thanks to its unique charac­teristics, Derby.js is gaining popularity nowadays.

DerbyJS

one that sort of fell by the wayside when Meteor and Ember got popular, was/is Derby.js/ShareDB. https://github.com/derbyjs/derby https://derbyjs.com/ https://github.com/share/sharedb

The LiveView lead resurgence in server side rendering is exciting. Does anyone have any insight as to why ShareDB never really took off?

Backend is usually an API you design, can simply use Rails for this, basic Express.js or some framework like https://loopback.io/ if you want javascript otherwise you want 'system design' https://github.com/donnemartin/system-design-primer for all the load balancers/dbms if that's what you mean.

LoopBack – Highly Extensible Node.js and TypeScript framework

We deliberately decided not to use "kitchen-sink included" frameworks such as Laravel, Django, Loopback or Nest.js to keep things simple.

Loopback

I'd say check out https://loopback.io

This interface defines the basic CRUD capabilities that any entity should provide. This contract is based on frameworks like Loopback, Django RF, RoR and Spring. The Service.kt looks something like: