> I think good time tracking and invoicing are similar to having a good dev setup.

I agree and found that to be especially true with freelancing, since the work time is the effectively basis for the invoice.

One hint for those curious: klog isn’t capable of generating reports (as in a HTML or PDF). But there is the `klog json` subcommand that enables people to create their own, much like in the spirit of what was recently discussed here: https://news.ycombinator.com/item?id=29435786