The GNOME Chemistry Utils provide some programs and a library containing Gtk+ widgets and some C++ classes related to chemistry distributed as free software under the GNU GPL license.
To compile and use the GNOME Chemistry Utils, you need goffice, GtkGLExt, OpenBabel, BODR, and their own dependencies. Everything except OpenBabel is available from the GNOME repository.
Programs
a 2D chemical editor (/GChemPaint)
a chemical calculator (/GChemCalc)
a molecular structure viewer (/GChem3D)
a crystal structure viewer and editor (/GCrystal)
a simple spectrum viewer (/GSpectrum)
a periodic table of the elements (/GChemTable)
Widgets
a periodic table of the elements (/GtkPeriodic and /GtkComboPeriodic)
a crystal structure viewer (/GtkCrystalViewer)
a molecular structure viewer (/GtkChem3DViewer)
Plugins
a 3D molecule viewer Mozilla plugin (/libmozgcu)
a 2D drawing addon for Apps/AbiWord
a molarmass function for Apps/Gnumeric
Files