In Computing
- RealMedia, a data format provided by RealNetworks
- Relational Model, a database model based on predicate logic and set theory
- Resource Management, a service in Asynchronous Transfer Mode (ATM) networks
- Reuters Messaging, an instant messenger application
- rm (Unix), a Unix command for the removal of files
- RM plc a British company specialising in providing products and services to educational organizations and establishments, including schools, colleges, universities, government education departments & educational agencies.
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