CentOS is a Linux distribution that attempts to provide a free, enterprise-class, community-supported computing platform. Developed by The CentOS Project
License: Open Source
CoreOS is designed primarily for containerized applications and has a minimal footprint, while CentOS is a general-purpose server OS with a rich ecosystem and robust support for traditional applications. CoreOS focuses on automation and orchestration, whereas CentOS offers stability and compatibility with a larger variety of software.