ledger has a time tracking mode which is pretty neat. I've used it for a while and liked it, https://www.ledger-cli.org/3.0/doc/ledger3.html#Time-Keeping https:

ledger has a time tracking mode which is pretty neat. I've used it for a while and liked it, https://www.ledger-cli.org/3.0/doc/ledger3.html#Time-Keeping https://www.ledger-cli.org/3.0/doc/ledger3.html#Time-Keeping Otherwise Emacs and org-mode is handy as well, if you are an Emacs user.