Chemistry Apps
SpectraColor – a native HTML5 clone of a popular Java applet that lets you draw a visible spectra and predict the sample’s original color. You can also import space- or tab-separated wavelenth/absorption data directly into the app to predict the sample color.
WeBWorK for Chemistry
limefrogyank/WeBWorKChemistry: WeBWorK scripts for doing problems related to Chemistry (and beyond!) (github.com) – A public repository for chemistry-based webwork assignments and tools.