GeoGebra – is an open-source utility built specifically for helping users design mathematical objects of several types used for calculus, algebra and geometry. Since this is a Java-based application, you should make sure you have previously installed the

FreeFileSync – is a free, open source folder comparison and synchronization software for Windows, Linux and Mac OS X. It also works on 64bit operating systems on all platforms. The program can be installed in two versions: as

WizTree – is a disk space analyzer. It scans your entire hard drive and shows you which files and folders are using the most disk space. It does this VERY QUICKLY. Use the information WizTree provides to quickly

UltraViewer – will helps you remote control your partner’s computer to support them as if you were sitting in front of their screen. The installation is quick, uneventful and you can connect to a computer remotely immediately, especially