Wouldn’t recommend ctemplar. Look up the past issues first. Search for “lost all data”.

Ardour should be able to do that.

Little known fact on the side: Njalla can only be that cocky because they’re incorporated in a “tax haven” in which it is incredibly hard for authorities to enforce law. People usually hate on these type of schemes because they feel like bigwigs are robbing them of their money using such structures. However, instead, people should try to learn about these setups in order to be able to use these tools to their advantage, e.g. to do things like Njalla on their own.

Yupp, you set that up at the very first time when launching the program. You specified the path to that log file.

Plenty people are. Check the README. :)