Is there any way to do local development with cloud spanner? I\'ve taken a look through the docs and the CLI tool and there doesn\'t seem to be anything there. Alternatively, ca
CockroachDB should behave similarly to Cloud Spanner for reads and you can run it natively on Mac OS X and Linux, and on Windows using Docker. For local development, the lack of TrueTime will not make a difference as everything is running on one machine.
For writes you're out of luck right now. Spanner has a custom API for writes while CockroachDB supports standard INSERT/UPDATE/DELETE statements. The upshot of this is that CockroachDB is more likely to work with your ORM of choice and we're working hard to extend that support.