This is targeted to be the most intuitive opensource 2D chemical drawing tool.
You can draw organic chemical structures and reactions very easily and quickly.
Available to download for Windows and Linux (AppImage, Flatpak, Snap)
Olex2 is visualisation software for small-molecule crystallography developed at Durham University/EPSRC. It provides comprehensive tools for crystallographic model manipulation for the end user and an extensible development framework for programmers. The project has been supported by Olexsys Ltd since 2010.