With over 10,000 users already of Vizioncore’s vOptimizer, it makes sense for them to offer a freeware version for people to play with it before buying the full network version. vOptimizer works by reducing the size of a virtual machine to the smallest size possible while optimizing Windows guest operating systems for speed and performance.

This free version is a reduced version of their Desktop edition that allows modifying of local VM files. Their network edition allows modifying of network VM files.

Download their free version here