CellProfiler is free open-source software designed to enable biologists without training in computer vision or programming to quantitatively measure phenotypes from thousands of images automatically.
Our website, cellprofiler.org, is aimed at non-developer users and has lots of information about CellProfiler and how to use it.
The developer wiki covers topic such as how to build CellProfiler from source, how to set up a development environment with all of CellProfiler's dependencies, and the various resources set up to support CellProfiler development.
If you have a bug or other issue to report, please read the wiki page on how to file new issues to learn the best way to report it.