HotSpotEngine is a Web based software for the HotSpot Billing System and all-in-one hotspot management solutions. It supports wireless or wired networking. It is designed to run on a dedicated PC, and it is available as an installable CD image (ISO). It comes with a Linux-based OS and all required software included. Its main features include the ability to create randomly generated vouchers, prepaid user accounts with time limits or data limits, the ability to refill vouchers, and user sign-up via PayPal integration.