WallacePOS is an open source, web based point of sale & retail management system. Spend less time with paper reports and embrace the power of statistics for your small business. It's your cash register in the cloud. WallacePOS is built on new but proven open source technologies, providing a seamless and fast experience for your staff members. No software installation is needed! Updates are delivered to your POS terminals in real time and terminals can even make transactions in offline mode, without an internet connection. WallacePOS supports standard POS hardware, including ESCP receipt printers & cash draws, to produce beautiful and customized receipts. Proudly Australian owned and developed. View frequently asked questions and setup guides.