SiFive is offering one of its RISC-V processor designs for free for medical equipment designs.
This is part of the Open Covid Pledge , joining companies such as Intel, HP and IBM that have offered their patents, and Medtronics who offered a full ventilator design under a permissive license.
As part of the pledge, SiFive is offering its E21 Standard Embedded Processor Core IP free of charge for applications such as control systems for healthcare products such as ventilators and other life-saving medical equipment.
article: https://www.eenewseurope.com/news/free-risc-v-core-medical-equipment-projects