hdmi splitter alternative

I am trying to figure out how to run a mixer program on a multi-monitor setup while simultaneously duplicating a single screen to multiple televisions in the worship area of the Youth House of the church I Pastor. Let me do my best to clarify: is it possible to..? On a "sound booth" table at...

I have two 1080 monitor (one is 13" drawing tablet and other one is 24" monitor) but my laptop only have one HDMI port. . I'm using those monitors alternately so I need to constantly switching cables/port, but after several months doing so, it starts becoming a hassle for me (not to mention wear...