It's just an extension. You can build the Apache 2.0 part of the extension and ignore the Timescale License parts. Those parts are mainly about multinode, compression and continuous aggregates.
TSL is mainly about not competing with their cloud offerings. So you can't run a database-as-a-service for time series data with it.
TSL is mainly about not competing with their cloud offerings. So you can't run a database-as-a-service for time series data with it.
More about the license: https://www.timescale.com/blog/building-open-source-business...
Comparison about the open source and community editions: https://docs.timescale.com/timescaledb/latest/timescaledb-ed...