Microsoft Lync for Mac 2011: July 2015

Microsoft released Microsoft Lync for Mac 2011 v14.1.1
See description in KB3074981 and download from here

Microsoft Skype for Business Online, Windows PowerShell Module: July 2015

Microsoft released Skype for Business Online, Windows PowerShell Module, v6.0.9319.0
Download from here

Updates for Microsoft Office Web Apps Server 2013: July 2015

Microsoft released an update for Microsoft Office Web Apps Server 2013
See description in KB3054930 and download from here

Microsoft Lync 2013 / Skype for Business 2015: July 2015

Microsoft released Lync 2013 / Skype for Business 2015, v15.0.4737.1001
See description in KB3054946 and download from here x86 or x64

Updates for Lync Server 2013: July 2015

Microsoft released Lync Server 2013, v5.0.8308.920
See description in KB3064729 and download from here

Microsoft Skype for Business for Windows Phone

Microsoft has released Microsoft Skype for Business for Windows Phone v6.0.1430.0
Download from here

Microsoft Lync 2013 for Windows Phone

Microsoft has released Microsoft Lync 2013 for Windows Phone v5.9.1371.0
Download from here