1. Yoyo is a command-line tool to generate Go code for Google Cloud Spanner.
2. Wrenchwrench - Schema management tool for Cloud Spanner -
5. spanner-dumpCommand line tool for exporting a Cloud Spanner database in text format
7. pgadapterA proxy that translates the wire protocol from Postgres to Cloud Spanner.
8. spoolA CLI tool to manage Cloud Spanner databases for testing.