BardPOS is a comprehensive business management system designed to streamline the operations of retail and service-oriented businesses.

Simple Invoice Manager - Invoicing Made Easy with multiple billing companies, taxes and custom fields, user roles and permissions, recurring invoices, online payment (PayPal and Stripe).

Grow CRM is a client relationship management application, with full project management features.

Advanced inventory management, sales and billing application. With this application you can save a lot of time on bookkeeping and inventory.

Gain a 360 view of your business by managing clients, projects, estimates, invoices, and more! Easily set all that up in the safety of your own WordPress environment.

There's a reason Sprout Invoices is the best rated invoicing plugin for WordPress - it's the most fully featured Invoicing solution for WordPress with the highest regarded support

Neo Billing is a Well Designed Business Billing & Accounting Solution. Application is packed with ton of features like Invoicing, Quotations, Purchase Orders, Inventory Management, Customer

Add product or services, set rates and taxes. Add its income account and manage it. The accounting and invoice application for entrepreneurs.

XInventory is the best open-source solution for retailers, its an awesome inventory management system.

Hosting Billing is a customer management and billing system for web hosting resellers and domain registrations.