The 2.1 version of Carnoy for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software is included in Business Tools. This software for Mac OS X is a product of Lab of Plant Systematics.
From the developer:
Carnoy is an easy-to-use image analysis program developed to help scientists carry out measurements on digital images, especially on micrographs obtained from light or electron microscopes. Carnoy employs a unique one-click calibration option that enables users to click on a scale bar, enter its length, and have measurements calculated on micrographs accordingly. For micrographs that do not have a scale bar (e.g.
You may want to check out more software for Mac, such as Dynadot Account Management Client, which might be similar to Carnoy.