BlackBerry Limited is a Canadian software company specializing in cybersecurity. Founded in 1984, it developed the BlackBerry brand of interactive pagers, smartphones, and tablets. The company transitioned to providing software and services and holds critical software application patents.

BlackBerry was a brand of smartphones and other related mobile services and devices. The line was originally developed and maintained by the Canadian company BlackBerry Limited from 1999 to 2016, after which it was licensed to various companies.