InvoicePlane

Disk space: 35 MB
Database: MYSQL
License: open source

e-Commerce and Business v1.7.1

InvoicePlane is an open source invoicing application.

InvoicePlane manages your quotes, invoices, clients and payments.

Features:

Quotes, Invoices, Payments: InvoicePlane is a solid application to manage your complete billing circle: from quotes over invoices to payments.
Manage your Clients: The application provides CRM-like management for your clients. Enter contact details, notes or add custom fields. Basic project and task management is also available.
Customize InvoicePlane: You can customize InvoicePlane to make sure it fits your needs: select from different themes, set amount formats, modify email and PDF templates or many more.
One-Click Online Payments: Let your clients pay the invoices by using one of 25 different online payment providers like PayPal, Stripe or even using Bitcoin via Coinbase.