Kriya AI - Your Instant Workforce
Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
MyTime Scheduler - The online scheduler connecting small businesses to clients
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Close - A CRM with built-in calling, SMS, and email
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.