Selenium is a portable software-testing framework for web applications. Selenium provides a playback tool for authoring tests without the need to learn a test scripting language.
VMware Server is a free virtualization product for Windows and Linux servers with enterprise-class support. It enables companies to partition a physical server into multiple virtual machines and to start experiencing the benefits of virtualization.
VMware vSphere is a concentrates on the architecture, hardware, and software in the standard and enterprise plus editions of vSphere 6, which offers better scale, resilience, and fault tolerance than ever before.