Code Soup

Ivan Ramljak

This free plugin lets you create invoices, maintain a client base and choose a payment option to display on each invoice. Payment options are related to a Bank Account post type. Create as many invoices, clients or bank accounts as you need. No restrictions.
<h3>Features</h3>
Branding
<ul>
<li>use your branding, attach company logo to invoice or a hand signature</li>
<li>display company info such as address, contact and legal information</li>
<li>option to use invoice prefix for numbering</li>
</ul>
Client
<ul>
<li>addresses & contacts</li>
<li>tax rate, NET period, VAT ID, currency</li>
</ul>
Bank Account
<ul>
<li>display name</li>
<li>simple details, in two columns if needed</li>
</ul>
Invoice
<ul>
<li>automatic invoice number with prefix if prefix is set in plugin options</li>
<li>choose a client & invoice status</li>
<li>date and due date with NET period, NET is automatically pulled from selected Client settings</li>
<li>choose payment option from user predefined Bank Accounts</li>
<li>choose weather to show the global signature or not</li>
<li>add invoice items: title, description, quantity, unit, rate & discount – totals are calculated automatically</li>
<li>add a note to be displayed at the bottom of invoice</li>
</ul>
General
<ul>
<li>set global note for each invoice or per invoice</li>
<li>display a global one-line note in page footer for each page</li>
<li>print stylesheet included if you need to print an invoice or export in PDF</li>
</ul>

InvoiceIT

Saurabh Chauhan

InvoiceCartel is a modern, modular WordPress plugin for managing invoices, customers, and products directly from your WordPress admin. Designed for freelancers, small businesses, and agencies, it provides a secure, user-friendly interface for all your billing needs.
Features: 
– Customer management using WordPress users (with a custom “customer” role) 
– Product management 
– Invoice creation, editing, and printing 
– Business settings (logo, signature, address, contact info, tax code) 
– Print-friendly invoice templates
<h3>License</h3>
This plugin is free software, released under the GPLv2 (or later).

InvoiceCartel

InvoiceCartel is a modern, modular WordPress plugin for managing invoices, customers, and products directly from your WordPress admin.

InvoiceIT vs InvoiceCartel