Illumos
Illumos is an open-source operating system based on the OpenSolaris project. It serves as a platform for developing and running applications, particularly in enterprise environments. Illumos is known for its advanced features, such as a robust file system, virtualization capabilities, and strong security measures.
The Illumos project is maintained by a community of developers and organizations, ensuring continuous updates and improvements. It supports various software packages and tools, making it a versatile choice for users who need a reliable and scalable operating system for servers and cloud computing environments.