Spectral Workbench download
To download the latest version of Spectral Workbench, visit:
https://github.com/jywarren/spectral-workbench
You can also get a copy for Linux in the attached files at the bottom of this page, but it may not work "out of the box". The Mac version, also here, is more stable.
Webcam drivers
Those using the $8 Creative webcam may need drivers.
Mac users can download Macam here: http://webcam-osx.sourceforge.net/
Linux users may try these, but none have been tested yet. Please edit this page if you find a way to run this camera on Linux!
Windows users can try the Creative native drivers