The 17.3.10 version of Madshot 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. The application lies within Design & Photo Tools, more precisely Screen Capture. The actual developer of this free software for Mac is Madwire LLC. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Madshot is an easy-to-use screenshot tool for anyone that wants to share super clean, custom-branded, and ad-free screenshots. The application lets you edit, upload, copy, and save the screenshot. You can quickly add notes, arrows, shapes, text, and more, all within the editor. You can copy the screenshot to paste it in e-mail or other applications.
You may want to check out more Mac applications, such as iGrabIt, SimCap or Sequenz, which might be related to Madshot.