ImageJ/Fiji 1-clic ROI Tool
Toolset that offers additional toolbar ROI tools, with predefined custom ROI shapes.
Using the 1-Click ROI, clicking on an image generates a predefined ROI.
If the option are selected, the generated ROI is added to the Roi Manager, the command "run Measure" is run for the selected region and if a stack is used, the next image is displayed.
See the GitHub Readme for documentation.