FYI there will be a devroom about Local First software at the upcoming FOSDEM 2026. more details here: https://openlocalfirst.org

another shameless plug: there is NextGraph.org which does exactly tha: E2EE CRDTs. It supports Automerge and Yjs (and soon Loro). It is being used already by several apps. The SDK will be released in November. Stay tuned by following us on https://fosstodon.org/@nextgraph and subscribing to our mailinglist https://nextgraph.org/

Thanks for your interest in NextGraph. I am Niko, the author of this software. You are catching me a bit unprepared here, because I am still currently writing all the documentation and it will be ready within 5 days maximum. Looking forward all your comments, criticism, and evaluation! We are in preview release for now and until the 31 of August, when the first alpha release will be published.