Hugin - Hugin is an easy to use cross-platform panoramic imaging toolchain based on Panorama Tools.
ChemDraw - ChemDraw - The Gold Standard for Chemical Structure Drawing and Research Publications.
PTgui - PTGui is panoramic stitching software.
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.
PanoramaStudio - PanoramaStudio can create seamless 360 degree and wide angle panoramic images.
ChemDoodle - Chemical drawing and publishing software for desktop, web and mobile. Affordable and used by thousands of scientists around the world. Free trial available for immediate download.