Free, cross-platform and offline-first invoicing solution that syncs.
Slimvoice - Insanely simple invoicing
Invoice.to - A simple & beautiful invoice generator with Stripe & Paypal
Envoice - Send invoices and get paid on Paypal, Payoneer, Stripe and Square.
Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications
Zoho Invoice - 100% free online invoicing software for small businesses.
Invoice Template - Create beautiful looking invoices in seconds