Hamachi will allow you to establish secure direct connections to PC's that are not accessible otherwise due to the restrictions in network setup.
LanTopolog is an application that provides physical network topology discovery, visualization and monitoring.
ChrisPC DNS Switch
NetSetMan is a network settings manager which can easily switch between 6 different, visually structured profiles. Pre-prescribing network settings, you no longer have to write them again when you change your network connection (for example, when you connect your home computer at work, in cafes, or frequent switching between providers).
LanHelper can scan network at high speed and it can even detect writable or read-only shared folders with the powerful and special engine. Boot (wake up) or shut down or lock your PCs.
Windows 7/8 Codecs
Windows 7 / 8 Codecs is an audio and video codec package for Windows 8. You can choose any media player you want, everything will play excellent.
Sandboxie runs your programs in an isolated space which prevents them from making permanent changes to other programs and data in your computer.
R-Studio is a comprehensive data recovery and undelete program renowned for its ability to recover mission-critical data lost to viruses, malicious attacks, and hardware failures or operating system crashes.
iTunes is an audio player for playing and organizing digital music files, and purchasing digital music files in the FairPlay digital rights management format.