Summuray 1.3 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The actual developer of this free Mac application is Christoph Schuierer. Summuray for Mac lies within Productivity Tools, more precisely Office Tools.
From the developer:
Summuray helps you get the most important things from your texts. The tool allows you to easily summarize, manually edit text, insert images, and more. This saves you work and time by letting you focus on the essential. It is perfect for learning, sharing, or just to have important information available immediately.
You may want to check out more Mac applications, such as Blurb Tally, Pads X or iTeXMac, which might be related to Summuray.