Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
Looka - Make a logo you’ll love with Looka Logo Maker.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Brandmark - Smart, AI-assisted logo maker and brand designer
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
Free Invoice Generator - A free invoice generator for startups