Free, portable, and open-source structure drawing program. Written in Python.

Detailed comparison between ISIS/Draw, ChemDraw, ChemWindow, ChemSketch, Chemistry 4-D Draw, WinPLT, MarvinSketch, ChemPen, WinDrawChem, and JChemPaint.

Windows shareware for structure drawing. Download and ordering information.

Chemistry 4-D Draw high-quality structures quickly by entering molecular names. It also assigns systematic names, drawing and text editing.

Structure drawing, 3D modeling and NMR prediction. Demos and online ordering available.

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.

Program for drawing 2-D chemical structures, laboratory apparatus, and chemical engineering flowcharts.

Free Linux structure drawing program, designed with emphasis on press quality, speed of, precision, and ability to add arbitrary ornaments such as orbitals.

Create GIFs and PNGs of 2D plots of chemical structures.

Free, open-source editor for 2D chemical structures. Written in Java.

Java based Molecular Editor which can create SMILES code.

Drawing applet written in Java for use in database applications in chemistry.

Free structure drawing program for Windows; capable of exporting structures as metafiles, bitmaps, and HTML pages.

Free structure drawing software for Windows and Unix, with simple spectral predictions. Source code available.