The TANGO control system is a free open source device-oriented controls toolkit for controlling any kind of hardware or software and building SCADA systems. It is used for controlling synchrotrons, lasers, physics experiments in over 20 sites. It is being actively developed by a consortium of research institutes.

Tango is a partner dance that originated in the 1880s along the River Plate, the natural border between Argentina and Uruguay, and soon spread to the rest of the world.