SMS or sms may refer to:Computers and technology Short message service, a form of text messaging on mobile phones Scalable Modeling System, a directive-based parallel programming tool developed by the NOAA to solve problems defined on structured grid (for example weather forecasting) Single-molecule spectroscopy, a technique for imaging one molecule (see also Single-molecule experiment and spectroscopy) SMS/800 or 800 Service Management System, for administration of toll-free phone numbers i… (More on Sms)