Chemistry
- BKchem: chemical drawing program (standalone)
- Chemfig: draw molecules with easy syntax (standalone)
- Chemtools: program for drawing chemical structures (standalone)
- JChemPaint: chemical 2D structure editor (standalone)
- Molsketch: 2D molecular editing tool (standalone)
- PubChem Sketcher: A web-based tool for chemical sketching...(online)
- SketchEl: interactive chemical molecule sketching tool (standalone)
- SMARTS-plus:
- SmilesDrawer:
- CineMol: direct-to-SVG small molecule drawer