The graph editor rigiedit runs on the following platforms:
On a Unix platform, rigiedit requires X11R5 or greater; rigiedit has the Motif look and feel, but is not limited to running under the Motif window manager.
You should be somewhat familiar with the appropriate operating system. On Unix, you should be familiar with the C shell, the X Window System, and the Motif user interface. Knowledge of the Tcl scripting language is useful if you want to write custom scripts.
Installation and setup instructions are provided by the README file that accompanies the software distribution.