The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/

The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/. Maintained by pubkey on GitHub, where it has earned 23,264 stars from the community.

It's actively developed around angular, browser-database, couchdb, and is a solid reference for anyone building with these tools.