This is an ArcGIS python toolbox with a tool to create UUIDs for a specified layer in a specified attribute.
Requirements:
You must have ArcGIS installed in order to use this. Developed with ArcGIS 10.1 install.
Setup:
Download this project by using the "clone or download" link and select zip format. Then just extract the files and in ArcGIS right-click in ArcToolbox window and select "Add Toolbox". Then navigate to the arcgis-toolbox-uniqueIDgenerator.pyt file included in this repository and you will have access to this tool.
If you have difficulty, there is a good chance that others are as well. Please send me a note at jlesh@conservationdistrict.org and I will add more details to the README to help avoid similar issues in the future.