Virtual reality (VR) is a technology that creates a simulated environment that can be experienced through a headset or other devices. VR is used in many applications, such as gaming, education, and healthcare. Popular VR platforms include Oculus Rift, HTC Vive, and PlayStation VR. See our testimonials A version control system (VCS) is a software tool that helps developers manage changes to source code over time. VCSs allow developers to track changes, collaborate with others, and revert to previous versions of code. Examples of VCSs include Git and Subversion.