Microsoft Lync 2013: March, 2014

Microsoft released Lync 2013, v15.0.4569.1508
See description in KB2825630 and download from here x86 or x64

Microsoft Office 2013 Service Pack 1

Microsoft has released Office 2013 SP1
See description in KB2817430 and download from here x86 or x64

Exchange Server 2013 SP1 UM Language Packs

Microsoft released Exchange Server 2013 SP1 UM Language Packs, v15.00.0847.032
Download from here

Microsoft Office Web Apps Server Service Pack 1

Microsoft has released Microsoft Office Web Apps Server Service Pack 1
See description in KB2817431 and download from here

Microsoft Exchange Server 2013 Service Pack 1

Microsoft has released Microsoft Exchange Server 2013 Service Pack 1
See info about the update in KB2926248 and download from here

Update Rollup 5 For Exchange 2010 Service Pack 3

Microsoft has released Update Rollup 5 for Exchange Server 2010 Service Pack  3
See info about the update in KB2917508 and download from here

Update Rollup 13 for Exchange Server 2007 Service Pack 3

Microsoft has released Update Rollup 13 for Exchange Server 2007 Service Pack 3
See info about the update in KB2917522 and download from here: x86 or x64