Google Chrome 50.0.2661.102m (FREE, OS, UNS) [Apr. 2016] Download from FilePuma: 32 bit 64 bit (After downloading, extract the file using the file extraction software of your choice [such as 7zip]. After extracting, run Chrome.exe directly, and the browser should run just fine in Windows Vista).
Opera 37.0.2178.54 (FREE, OS, UNS) [May 2016] Based on Chromium 50. Download from vendor here. Simply extract the installer with 7zip after downloading and run Opera.exe from within the extracted folder, and the browser should run just fine.
Enhanced Mitigation Experience Toolkit 5.52 (FREE, CS) Requires SP2. To download from Microsoft, click here. EMET is no longer supported by Microsoft as of July 31, 2018.
Adobe Acrobat Reader XI v11.0.23 (FREE, CS, UNS) Download from Adobe: 11.0.10 installer (choose Server 2008 as your OS) - 11.0.23 update (a standalone installer for 11.0.23 is not available, so you must first install 11.0.10, and then update to 11.0.23 by downloading the installer using the link provided)
WSUS Offline Update 10.9.2 (FREE, OS) Download from vendor here. While newer versions will run on Vista, this is the last version with which you may download updates for Windows Vista.
AquaSnap 1.17.1 (FREE & $$ versions available, CS) Personal Edition is free for home use, and has reduced functionality. Professional Edition requires purchase after 60 minute trial period. To download from the vendor, click one of the following: MSI File Portable Installation 2b1af7f3a8