I played around a bit with hledger, but ultimately did not see a reason to switch from ledger. I don’t remember if I ran into any issues, but at least they are not totally compatible.

https://ledger-cli.org/

I stopped looking after I found ledger-cli.

Besides CSV, if you want to have lots of optional fields, a YAML file in a git repository is an option. Use yq or to query it.

https://github.com/mikefarah/yq

As a side question, are there other free DNS providers besides Cloudflare? Ones that don’t require you to register your domain there.

I liked reading both of your arguments, and I think they have merit on both sides. I’m sorry to see this became hostile, but I think the discussion up go the parent comment was good. I hope next one will stay friendly!

jrnl is a CLI tool worth mentioning when it comes to journaling, but does not cover your listed needs.

Find out if your ISP provides an SMTP smarthost.

Worth noting that in Finland they are also by law required to log metadata of delivered mails.

Ledger is awesome.

What would prevent a price hike in the future?

A bit vary of investing in anything but free software based platforms at the moment.