Skype for Business 2016: December 2018

Microsoft released Skype for Business 2016, v16.0.4786.1000
See description in KB4461545 and download from here x86 or x64

Microsoft Skype for Business for IOS

Microsoft has released Microsoft Skype for Business for iOS, v6.23.1.4
Download from here

Microsoft Skype for Business for IOS

Microsoft has released Microsoft Skype for Business for iOS, v6.23.0.9
Download from here

Key Health Indicators for Business Server 2019

Microsoft released Key Health Indicators for Business Server 2019 v7.0.2046.22
Download from here

Microsoft Skype for Business Server 2019, Real-Time Statistics Manager

Microsoft released Skype for Business Server 2019, Real-Time Statistics Manager v7.0.2046.22
Download StatsManPerfAgent here, StatsManPerfAgentListener here, StatsManWebSite here and Update-StatsMan from here

Microsoft Skype for Business Server 2019, Management Pack

Microsoft released Skype for Business Server 2019, Management Pack v7.0.2046.19
Download SkypeForBusiness2019ManagementPacks here and WatcherNode from here

Microsoft Skype for Business Server 2019, Call Quality Dashboard

Microsoft released Skype for Business Server 2019, Call Quality Dashboard v7.0.2046.19
Download from here