Wave ( https://www.waveapps.com/ https://www.waveapps.com/ ) has an extensive free tier for accounting and invoicing because they monetize through optional payr

Wave ( https://www.waveapps.com/ https://www.waveapps.com/ ) has an extensive free tier for accounting and invoicing because they monetize through optional payroll and payment processing. I found the smartphone app handy before the lockdowns, and I especially like how they handle emailing clients.