xfig is a graphics editor. The current version (3.2.5) can produce files in various formats (postscript, PNG, JPEG, TIFF, etc). It can edit FIG files, and can load in EPS, JPEG files (etc).
The xfig hints and tips document details some of the less obvious features. See the associated software page for conversion programs, etc. pstoedit, which converts postscript files into FIG files, is installed.