The 1.1 version of Honer for Mac is available as a free download on our software library. Our antivirus scan shows that this Mac download is virus free. The latest installer occupies 237 KB on disk. The application is included in Design & Photo Tools. This free Mac application was originally developed by Brian McKenna.
From the developer:
Honer is an OS X application that helps you draw a border around the focused window. The program is useful for people who use tiling window managers and people who have accessibility requirements. The tool allows you to determine the border's color, width, and transparency.
You may want to check out more software for Mac, such as Dream Star, Aquallegro or Wedding Dash 2, which might be related to Honer.