SmartOS is the core operating system for Triton datacenter -- https://www.tritondatacenter.com Triton is the orchestration of SmartOS compute nodes.

Code + issues are active under https://github.com/TritonDataCenter (smartos-live, illumos-joyent, triton, etc.), and docs are at https://docs.smartos.org/.

SmartOS is released every two weeks, and Triton is released every 8 weeks -- see https://www.tritondatacenter.com/downloads

And Triton object storage will have S3 support in the next release!

[edit: removed semicolon from link!]