Chemical structures drawing software

• Avogadro free 3D cross-platform chemical drawing software

• MarvinSketch 2D/3D chemical drawing software; discounted educational & commercial

• ACD/ChemSketch (Win/Linux with emulator) freeware & commercial

• Accelrys Draw (Win only) no-fee educational version & commercial

• ISIS/Draw no longer available; successor Symyx, already itself superceded by Accelrys Draw

• XDrawChem free 2D drawing software (Win/Unix/Mac)

• free Chemistry Development Kit including JChemPaint runs as a browser applet

Links

• thorough comparison of chemical drawing software by Tamas Gunda (last updated 2011)
• overview of chemical informatics toolkits by Abhishek Tiwari
• broader comparison of chemical writing, drawing and viewing software by Bob Bruner (last updated 2011)
• short list of software with a brief description
• chemical drawing software list in the Wikipedia