Question: I need a system that integrates with popular POS systems and payment processors to manage online and mobile orders, as well as in-store payments.

If you're looking for a more mature solution that integrates with common POS systems and payment processors, Tillster is a good option. It handles digital ordering, marketing and data analysis across many touchpoints and devices. With integration with more than 20 POS systems and 30 payment processors, it can handle in-store operations like self-service kiosks and mobile payments. Tillster also offers delivery, marketing and insights tools to help you run your business more efficiently and increase the average order value.

Another contender is Selldone Business OS, a no-code, visually oriented system for overseeing and growing a business. It has features like orders management, online POS, inventory management and multi-gateway payments. It's highly customizable, handles more than 150 currencies and 190 countries, and has tools for marketing, sales and analytics. Selldone's open-source API and SDK let developers customize it further, making it suitable for businesses large and small.

If you're looking for a more marketing-oriented system, Popmenu has a range of tools to capture guest data, personalize marketing and consolidate operations. It includes features like interactive menus, online ordering, marketing automation and AI-powered phone answering. Popmenu also integrates with common POS systems and offers tools to handle third-party delivery order management, so it's good for independent restaurants of all sizes.

Last, Maropost offers a unified commerce suite designed to help fast-growing businesses personalize customer experiences. It combines commerce, marketing, merchandising and service tools to run businesses more efficiently and grow faster. With its Marketing Cloud, Service Cloud and scalable ecommerce software, Maropost has more than 5,000 customers and offers flexible pricing.