OpenSUSE is a linux distribution developed by the SUSE S.A., a software company that provides linux services to business and enterprise customers. particular feature that stands out is their in-house installer, YaST2, of the operating system that stays installed after installation is complete. YaST2 stays installed as a configuration tool while the operating system is in use with GUI and TUI options.
This distribution stands out by having two variations of the distributions: OpenSUSE Tumbleweed is the de facto "unstable" release of the distribution, having a rolling release model therefore having newer packages. OpenSUSE Leap is the point release version, with a new release every year with older and more stable packages meant for business use.