There are probably a set of general-purpose tools that would suit most people to get most tasks done on a computer most of the time, if they can be combined easily and effectively. For input and expression, I'm talking about a general-purpose canvas that works a bit like construction paper or a typewriter, depending on what you need to do. Call it a scrapbook. We also need simulation tools that can be programmed for various scenarios and 3D modelling tools that are as simple as playing with children's building blocks. We don't really have those as standard tools, but they would be really useful in a lot of situations.
Mokalus of Borg
PS - The only "standard" tools we really have are Microsoft Office.
PPS - And web browsers.