Alby Hub uses LDK on the back end. It’s a lightweight way to run Lightning without all the dependencies.

I’m sure nostr:npub1zk6u7mxlflguqteghn8q7xtu47hyerruv6379c36l8lxzzr4x90q0gl6ef or nostr:npub1xv8mzscll8vvy5rsdw7dcqtd2j268a6yupr6gzqh86f2ulhy9kkqmclk3x can explain how it works better than I can, but it doesn’t require you to run a full node or sync the blockchain locally, so you can have it up and running in just a few minutes.