Device driver, software used to interact with hardware devices
Driver (software), a general term for a programming interface to control and manage lower level interface(s)
Database driver, application programming interface software used to interact with databases in accordance with Open Database Connectivity (ODBC) standard
In 3D computer animation, a driver of a property animates its value over time based some other property
Driver circuit, in electronics, a circuit or component used to control another circuit or component