Microsoft Lync 2013 for Android

Microsoft has released Microsoft Lync 2013 for Android
Download from here

Updates for Microsoft Office Web Apps Server 2013: March 2013

Microsoft released an update for Microsoft Office Web Apps Server 2013
See description in KB2760445 and download from here

Microsoft Lync 2010: March 2013

Microsoft released Lync 2010, v4.0.7577.4378
See description in KB2791382 and download from here x86 or x64

Microsoft Lync Server 2010 Group Chat: March 2013

Microsoft released Lync Server 2010 Group Chat, v4.0.7577.4378
See description in KB2500447 and download from here

Updates for Microsoft Lync Server 2010: March 2013

Microsoft released an update for Microsoft Lync Server 2010, v4.0.7577.216
See description in KB2493736 and download from here

Microsoft Lync 2013 for IOS

Microsoft has released Microsoft Lync 2013 for iPhone and iPad
Download from here: iPhone or iPad

Microsoft Lync 2013 for Windows Phone

Microsoft has released Microsoft Lync 2013 for Windows Phone v5.0.8250.0
Download from here