[mdaniel]

for one thing, depending on your licensing contraints:

- Citus is AGPLv3 https://github.com/citusdata/citus/blob/v13.0.1/LICENSE

- Hydra is Apache 2 https://github.com/hydradatabase/columnar/blob/v1.1.2/LICENS...

- Timescale is mostly Apache 2 https://github.com/timescale/timescaledb/blob/2.18.2/LICENSE