which American multinational computer software XT9 now part of
XT9 XT9 is a text predicting and correcting system for mobile devices with full keyboards rather than the 3x4 keypad on old phones. It was originally developed by Tegic Communications, now part of Nuance Communications. It was created for devices with styluses, but is now used for touch screen devices too. It is a successor to T9, a popular predictive text algorithm for mobile phones with only numeric pads.
X1 (software company) X1, previously known as X1 Technologies, Inc., is a privately held software company, based in Pasadena, California, United States, that develops and markets products for people and organizations that need to find information quickly. It is an operating company of Idealab, and is backed by U.S. Venture Partners.