Gnuplot is a major mode for Emacs flavours with the following features:

- Functions for plotting lines, regions, entire scripts, or entire files
- Graphical interface to setting command arguments
- Syntax colorization
- Completion of common words in Gnuplot
- Code indentation
- On-line help using Info for Gnuplot functions and features
- Interaction with Gnuplot using comint
- Pull-down menus plus a toolbar in XEmacs
- Distributed with a quick reference sheet in postscript.