If you want sales force automation (SFA) source code for field sales order booking and collection, you have three realistic routes: a CodeCanyon script, an open source ERP (ERPNext or Odoo Community) with a mobile add-on, or a production SFA app sold as source. Here's how they compare for a distributor with reps who visit dealers, take orders and collect payments.

1. CodeCanyon field sales scripts

Usually a Flutter or React Native app with a Laravel or PHP admin panel.

Cost: tens to low hundreds of US$

Good for: developers who want a starting template

Watch out for: offline sync that loses or duplicates orders, payments handled as a simple form with no accounts validation, role checks only in the UI, and no history of use by a real field team

2. ERPNext or Odoo Community with a field sales add-on

Open source ERPs with sales, stock and invoicing.…