Duet Display Free download Turn your tablet into a responsive second monitor to expand workspace and improve productivity Free download Turn your tablet into a responsive second monitor to expand workspace and improve productivity Vote (1 votes) Program license Free Developer Duet Inc. Version 3.20.3.0 Works under Mac Also available for Android Vote (1 votes) Developer Duet Inc. Works under Mac Mac OS Classic Program license Free Version 3.20.3.0 Also available for Android