FusionInvoice

FusionInvoice is an open source invoicing, quotes, and client management application built for freelancers and small businesses who need a simple, yet powerful self-hosted web based invoicing system.

Commercial Mac OS X Windows Linux Web Self-Hosted PHP

Siwapp

An open source web application meant to help manage & create invoices in a simple, straightforward way.

Free Open Source Web

Bahaquote

Bahaquote is leading Service Provider of Free Online Billing Software and Estimate software at affordable prices. The best part is we can customize the system in 24...

Commercial Web

Angular Invoicing

Use this extremely small and lightweight project built in Angular JS to build your one off Invoices. No monthly fees, No Subscriptions - No heavy duty features, Just...

Free Open Source Web Self-Hosted