Note, this page was called Prototype-SA at one point, and the tool was originally called LandAdvisor.
This SDSS was written with ArcGIS 9.x, on Windows XP, so is unlikely to work in more recent versions of ArcGIS and Windows. As such, it may be best to consider the models and scripts herein as detailed documentation.
The full zip folder, uncompressed, is here: https://drive.google.com/file/d/1rUUW_lLaH0XMhA6F5XxeTv9avDQOlTxE/view?usp=sharing
The full documentation folder is here: https://drive.google.com/file/d/1S5IJuOaXTx73DL639DGImCHG4_ze-r1B/view?usp=sharing
And the connectivity model is here: https://drive.google.com/file/d/1S5IJuOaXTx73DL639DGImCHG4_ze-r1B/view?usp=sharing
There are at least three peer-reviewed publications that refer to this toolbox.
One is "Meeting Human and Biodiversity Needs for 30 × 30 and beyond with an Iterative Land Allocation Framework and Tool" https://www.mdpi.com/2073-445X/12/1/254