Drawing
Links
BKchem
Free, portable, and open-source structure drawing program. Written in Python.
ChemicPen
Windows shareware for structure drawing. Download and ordering information.
ChemInnovation Software
http://www.cheminnovation.com/
Chemistry 4-D Draw high-quality structures quickly by entering molecular names. It also assigns systematic names, drawing and text editing.
ChemPen
http://home.earthlink.net/~hiltonevans/chempen.htm
Structure drawing, 3D modeling and NMR prediction. Demos and online ordering available.
Chemtool
http://ruby.chemie.uni-freiburg.de/~martin/chemtool/
Free software for drawing organic molecules and storing them as an X-Bitmap, LaTeX and XFig file. For Linux/Unix, includes source code, screenshots, and downloads.
ChemWindow
Program for drawing 2-D chemical structures, laboratory apparatus, and chemical engineering flowcharts.
Gifcreator
http://www2.ccc.uni-erlangen.de/services/gifcreator/gif_intro.html
Create GIFs and PNGs of 2D plots of chemical structures.
JChemPaint
http://jchempaint.sourceforge.net/
Free, open-source editor for 2D chemical structures. Written in Java.
PLT
http://www.msn.fullfeed.com/~plt/
Free structure drawing program for Windows; capable of exporting structures as metafiles, bitmaps, and HTML pages.
Chemical Drawing Programs Review
http://dragon.klte.hu/~gundat/rajzprogramok/dprog.html
Detailed comparison between ISIS/Draw, ChemDraw, ChemWindow, ChemSketch, Chemistry 4-D Draw, WinPLT, MarvinSketch, ChemPen, WinDrawChem, and JChemPaint.
JMolDraw
Drawing applet written in Java for use in database applications in chemistry.
EasyChem
http://easychem.sourceforge.net/
Free Linux structure drawing program, designed with emphasis on press quality, speed of, precision, and ability to add arbitrary ornaments such as orbitals.