End User License Agreement (EULA).  Project EigenCAM makes software available under the MIT License.

Optical Design Approach: Creating a Smartphone Spectrometer 

DIY Smartphone Spectrometer Resource

DIY Transform Smartphone Camera for Near-Infrared Vision

Do-It-Yourself Patents

MTF Calculator - Python GUI App

Fun Rediscovering Ancient Stories Through Remote Sensing - PCA Algorithm

Precision Optics Cleaning Procedure