Free, cross-platform and offline-first invoicing solution that syncs.
Slimvoice - Insanely simple invoicing
Coupa Invoicing - Coupa Invoicing is a cloud-based invoicing management software solution.
Envoice - Send invoices and get paid on Paypal, Payoneer, Stripe and Square.
Armatic - SaaS and services companies run on Armatic. Armatic replaces Recurly, Gainsight, Pandadocs, bill.com, Delighted, and many other SaaS solutions with one Armatic system, connected to your CRM and accounting software. Get rid of your SaaS overload.
Zoho Invoice - 100% free online invoicing software for small businesses.
Selectica CPQ - Selectica CPQ, a configure, price and quote software simplify the configuration of offerings, helps the sales teams to assemble, and makes price deals more efficient.