CursorUS

This software allows your cursor to move continuously on reaching borders of the screen. Actual effect works by transfering pointer on opposite side. In program there are many functions for partial blocking of working effect. You can also set hot keys and do more things in the dialog "Options", which is available from taskbar icon's popup menu. CursorUS can be used also with a trackball, not only with a mouse. It's absolutely free and have multilingual interface (if you want translate it into your native language see Lngs\English.txt file).