zShare 2.0.1 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. 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 program is included in Communication Tools. This Mac application is a product of Zoho Corporation.
From the developer:
zShare offers an easy way to share content on social media. With zShare, you can share great content to social media networks directly from your browser. The extension adds an icon next to the navigation bar through which you can draft, schedule, or publish the content you visit on the web as per your convenience. You can also select the text and share it using zShare.
You may want to check out more Mac applications, such as facedesk, Facile or BlogThing, which might be similar to zShare.