Klavaro - Klavaro is a simple tutor to teach correct typing, almost independently of language and very...
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
10FastFingers - 10FastFingers is one of the effective typing speed checking tools that offer you a chance to enhance your typing speed in just a couple of days.
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.
SpeedTypingOnline - SpeedTypingOnline is one of the smart websites that allows you to check your typing speed in the form of WPM online.
Giac/Xcas - Free computer algebra system