The GEOS is a graphical user interface (GUI) for the Commodore 64. Its menus and desktop icons, and graphical and word processing programs added salience to the emerging mouse for business users. Not to mention games for the home computer enthusiast. GEOS was released for Commodore 64 in 1985 and later for the Apple II.
This ia a glimpse of some of the mouses available in the 1980s. Some were for workstations, others for game consoles, and some worked on what became mainstream home computers.
And a 1984 COMPU-MUG designed by Taylor & Ng, San Francisco, emblazoned with TERMINAL MADNESS on tractor feed lined paper background design.