I'm using a toy command line python app that I wrote when I was learning how to do PEG grammars. But I've used Harvest [0] in the past when I was a contractor

I'm using a toy command line python app that I wrote when I was learning how to do PEG grammars. But I've used Harvest [0] in the past when I was a contractor and I was happy with that for time tracking and invoicing. [0] https://www.getharvest.com https://www.getharvest.com