You could have downloaded Sky Mac 2.0.452 from our software library for free. Sky Mac is categorized as Communication Tools. This free software for Mac OS X was originally created by TEL.RED, LLC.
From the developer:
Mac OSX client for Lync 2013, Lync 2010, Skype for Business, 365. Voice calls, conference calls, meetings, chat, group chat, persistent chat rooms. More reliable, more stable, more user friendly than standard MS Lync for Mac 2011. Tested on Mavericks, Yosemite, El Capitan. Focused on the basic functions most people use at work. We can test and perfect it for your company's OSX versions and environment.
You may want to check out more Mac applications, such as Sky Sports, Sky Cinema or The Night Sky, which might be similar to Sky Mac.
Instant messaging
Instant messaging