Point of Sale Software Made Easy! Do you own a retail business? Then good point of sale software is important to you. MerchantOS helps you organize your sales and inventory to achieve success. You don’t need to be an expert. We’ve created a retail system that is quick and easy to use. And you don’t need any special skills or knowledge to take full advantage of it. Our customers are people just like you, small business owners. You can get started right now, all you need is a computer and Internet connection. Stop worrying about data backups, updating software, and other time consuming tasks. With MerchantOS you just open your web browser and your POS system is always up and running. You can even work from home or anywhere else that has Internet access.