The RISC-V ecosystem includes systems that boot with UEFI, handle power management with ACPI and run a variety of operating systems including Linux distributions such as Ubuntu.
Notably missing software from the RISC-V ecosystem is Microsoft Windows, .NET, VirtualBox, and VMware ESXi.
Cloud providers with RISC-V servers include Scaleway and Cloud-V but not Microsoft Azure or Amazon Web Services (AWS).
Freedom U540 and HiFive Unleashed by SiFive.
SpacemiT K3 by SpacemiT.