WP-Invoice – Web Invoice and Billing free WordPress plugin

WP-Invoice 4.0 is the most popular and flexible plugin for WordPress that allows you to make your site accept payments. Complete e-commerce solutions out of the box. Flexible and extendable. WP-Invoice lets WordPress blog owners send itemized invoices to their clients. Ideal for web developers, SEO consultants, general contractors, or anyone with a WordPress blog and clients to bill. The plugin ties into WP’s user management database to keep track of your clients and their information. Once an invoice is created from the WP admin section, an email with a brief description and a unique link is sent to client. Clients follow the link to your blog’s special invoice page, view their invoice, and pay their bill using one of the available payment system. The control panel is very user-friendly and intuitive. Credit card payments may be accepted via Authorize.net, PayPal, Interkassa (Eastern Europe), Stripe and 2Checkout. Subscriptions (Recurring Billing) implemented using Authorize.net ARB, PayPal Subscriptions, Stripe Subscriptions and 2Checkout Recurring Billing. More gateways available as Add-ons. WP-Invoice on GitHub Features Free Add-ons available. WP-CRM Integration. Brand new user interface for much improved invoicing filtering and searching. Partial Payments with minimum amount. Receipt Page with Invoice Log. Per-defined Line Items. Discount Line Items. Custom Payment Entry, and administrative adjustments. Customizable Invoice and Receipt Templates. Create invoices from the WordPress control panel. Pre-fill customer information using the WordPress user list. Send invoice notifications to customers with a secured link back to the web-invoice. Setup recurring billing using Authorize.net’s ARB (Automatic Recurring Billing) feature. Force web-invoice pages to be viewed in SSL mode. Archive old invoices. Easily use old invoices as templates for new ones. Dynamic and intuitive user interface. Insert an “Invoice Lookup” form using PHP or WordPress shortcode anywhere. Create users directly from WP-Invoice. Customize billing settings per invoice. Customize