Vanguard Desktop and Vanguard Web Full Software specifications

A question that is frequently asked of our service team is what versions of software components does Vanguard rely on:

Vanguard Desktop
Java 1.6
OpenOffice 3.4.1
PotgreSQL 9.3
Windows 10, Windows 8, Windows 7, Windows XP

Vanguard Web
Java 7
Tomcat 7
PostgreSQL 9.3
CentOS 7
Amazon Linux

Our developers make our source code target Java 1.5 platform for backwards compatibility reasons with legacy Linux systems.