YTalk is a compatible replacement for the Unix talk(1) program, which adds a number of features. Mainly, it can talk to more than one person at a time, and to the two different types of talk daemons out there. YTalk has a console (curses, ncurses) and an X11 interface.
ytalk is a property of ytalk respective authors, vendors and developers. You can download ytalk for your hardware. If you want to use ytalk for other purpose, Please contact the authors, vendors and developers of ytalk.