Many computers use a serial access program to communicate with other computers via telephone line or serial cable, thus emulating a computer terminal. HyperTerminal is the most widely distributed terminal emulator, if not the most widely used.
When the first Macintosh was released, a program called MacTerminal was used to communicate with many computers, including the IBM PC.
Dec Terminal was one of the first Terminal programs for the popular Altair.
The mobile data terminal (MDT) is a device used in the field of telematics.