ProperInvoice Alternatives

Invoice Ninja is a free, open-source solution for invoicing and billing customers. With Invoice Ninja, you can easily build and send beautiful invoices from any device that has access to the web.

InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.

Painless invoicing with stunning customizable templates.

Crater is an open-source app made in Laravel, VueJS & React Native that helps you track expenses, payments & create professional invoices & estimates.

This is a continuation of Manta App, I'm taking care about the maintenance and new features as I need it.

Open-Source Business Management Platform (ERP/CRM/HRM).

Invoicera is an online billing software which is specifically designed keeping simplicity and online invoicing convenience in mind, while at the same time offering the best of the breed invoicing features.

Avaza is an all-in-one solution for project management, resource scheduling, tracking time, managing expenses, quotes & invoices. Teams of all sizes, from freelancers to large businesses, will love it, for its simple & intuitive design with powerful features.

Simple Invoices is a free, open source, web based invoicing system that you can install on your server/pc or have hosted by one of our services providers.

CoManage was developed for everybody who wants to manage his organization efficiently, but doesn’t like to do the administrative part.