🚀 go-pugleaf

I am looking for software which traps keystrokes from PCs for two different
applications.  

a) For (classroom) presentations I would like students to see the keystrokes. 
Granted that this need may go away soon with mice and GUI's, but for now it
would be real effective. Can the keystrokes be projected onto the wall along
with the screen images?

b) For computer laboratory experiments to record subjects' actions.  For this
application I need not only a record of keystrokes, but also a time stamp
which allows me to analyze lengths of time.  If the software can also record
the emotions of the subjects, that would be OK too. ;-)

(B=)