lunaticoin on Nostr: What accounting app do you use? Want to start using a new one. Ideally that I can ...

What accounting app do you use?
Want to start using a new one. Ideally that I can install on a USB key and carry with me on my trips. Nothing fancy. Just need to do invoices, track them and be able to backup easy.

Used dolibarr and odoo in the past.