Headquartered in San Diego, CA, Express Logic offers the most advanced run-time solution for deeply embedded applications, including the popular ThreadX® RTOS, the high-performance NetX™ TCP/IP stack, the FileX® embedded MS-DOS compatible file system, the new GUIX™ GUI development toolkit, and the USBX™ Host/Device USB protocol stack. All products from Express Logic include full source-code and have no run-time royalties.