Do you plan to open-source any of your targets (e.g. BigQuery)?
It's not as much a matter of open-sourcing the targets within Stitch because our functionality around data warehouse loading includes a lot of things like multi-tenancy, monitoring, and alerting that are necessary for running a SaaS service but not as relevant for a single organization's internal use.
In the meantime, our hope with the CSV target was that it would be a helpful intermediate step for getting data almost anywhere. Here's Google's documentation for loading CSV files into BigQuery: https://cloud.google.com/bigquery/loading-data#loading_csv_f...