Projects / Chemtool


Chemtool is a GTK+-based 2D chemical structure editor for X11. Drawings can be exported in XFig format for further annotation, or as Postscript files (using xfig's companion program transfig). A set of sample molecular structure drawings is included in the archive.

Operating Systems

Recent releases

  •  24 Dec 2011 16:21

    Release Notes: This release fixes several bugs exposed by recent gcc toolchains, including a crash on startup on Fedora16 and failure to include translations or to build at all. Filenames with embedded spaces are now supported. A new export mode for the Asymptote package was added.

    •  27 Aug 2007 15:14

      Release Notes: This release contains numerous fixes for label positioning and sub/superscript kerning. Bond length and zoom factor are now stored with the drawing. Bond clipping of multiple bonds was improved. New special key sequences for circled plus and minus symbols were added. The configuration dialog now lists gtklp among the supported print commands. The source layout and build system were reorganized to make addition of translations easier. A Portuguese localization file was added.

      •  24 Apr 2007 16:12

        Release Notes: PNG export, kprinter support, and a few new template structures were added. Screen rendering of complex labels was improved. Several problems with text input in UTF8-enabled locales were fixed. Arrowhead size in EPS output and the appearance of arrowheads, superscripts, and national characters in SVG output were fixed.

        •  03 Aug 2005 21:08

          Release Notes: This release fixes several serious bugs related to atom labeling that occurred only when linked against GTK 2.x. Additionally, several new features were backported from the current development series, including bond types for p-orbital drawing and "electron pair" dots, SVG improvements, and fig2sxd support for exporting to the OpenOffice Draw format.

          •  13 Feb 2005 15:59

            Release Notes: Support was added for (sub)structure queries in MySQL databases and SDF files (based on Haiders cmmm project).


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