iGraf
can be used in desktop version, allowing to record user's work in hard disk
or in the form of applet, that allows its use in 
To install iGraf copy the file iGraf.jar to some directory in your computer
 
To run iGraf in desktop version: 
Windows:
     
     cd C:/Desktop and then 
     java -jar iGraf.jar igraf.IGraf (press ENTER after each command)