Abstract: An adjustable desk mountable workstation (90) comprising: a platform (12) adapted to support a computer keyboard thereon; and a pair of symmetrically opposed legs (91) for standing or mounting on a desk and on which the platform (12) is mounted, the legs (91) being adjustable so as to alter the height of the platform (12) above the desk, each leg (91) having outer and inner ends, wherein adjustment of the legs (91) involves concomitant pivoting without displacement at their respective outer ends and pivoting plus horizontal displacement at their respective inner ends, thereby altering the height of the platform (91) with respect to the desk.