Pocketbase [0] is a possibility. It offers a way to subscribe to collections, meaning the client will be notified if any of the records in that collection chang

Pocketbase [0] is a possibility. It offers a way to subscribe to collections, meaning the client will be notified if any of the records in that collection change. [1] Should be quite efficient too, the FAQ claims that 10k realtime connections on a small hetzner VPS is no problem [2] [0] https://pocketbase.io/ https://pocketbase.io/ [1] https://pocketbase.io/docs/api-realtime/ https://pocketbase.io/docs/api-realtime/ [2] https://pocketbase.io/faq https://pocketbase.io/faq