Manager.io/Manager

Sales Invoices enables the creation of invoices to customers and tracking of accounts receivable. 
 
If your customers require copies of invoices for their records or customers receive products and services on credit, you should use this plugin. 
 
When you enable this plugin, two new tabs Invoices and Customers will be added to the menu. 
 
Set up the customer account then create your first invoice. 
 
Payment for the invoice can be recorded by opening the invoice and clicking Receive Money From Customer or by recording the receipt under Bank Accounts and selecting Accounts Receivable as the Account then the applicable sales invoice.

Sales Invoices enables the creation of invoices to customers and tracking of accounts receivable. 
 
If your customers require copies of invoices for their records or customers receive products and services on credit, you should use this plugin. 
 
By enabling this plugin, tabs for Sales Invoices and Customers will be added to the left menu and a large icon for Aged Receivables will be added to Reports. 
 
Start by clicking Customers to create customer accounts then click Sales Invoices to create a New Sales Invoice. Money received from the customer can be recorded by viewing the sales invoice and clicking Receive Money from Customer or by going to Receive Money under the applicable Bank Account and entering as the account - Accounts Receivable then selecting the sales invoice. 
 
Go to Reports and click Aged Receivables to review accounts receivable and track the age of outstanding sales invoices. Drill down to sales invoices if required.