Graph Plotting Package and Scientific Scripting Language
Pyxplot is a scientific scripting language, graph plotting tool and vector graphics suite. It runs in a command-line environment under Linux, Mac OS X, and other POSIX systems.
JSynoptic renders information graphically. It can be used as a simple graph plotter, or as a complex run-time monitoring environment. The user sets up shapes (like plots) on graphical pages, and uses data sources (ex: ASCII file) to render information.