You could have downloaded AngioTool 0.6 from our software library for free. The most frequent installer filename for the software is: AngioTool.exe. The program relates to Photo & Graphics Tools. The actual developer of the free software is NIH. The most popular versions of the tool 0.6 and 0.5.
From the developer:
AngioTool allows for robust analysis through an user-friendly interface. AngioTool is a lightweight software for quantitative analysis of angiogenesis. It provides free, open source tools for quantitative assessment of various vessel morphometric and spatial parameters including vessel length and density, branching index, lacunarity, etc
You may want to check out more software, such as VFDS, Trix DrawingCenter or VizUp, which might be related to AngioTool.