ARM is the most successful microprocessor architecture on the planet, with its licensees shipping billions of chips a year. But a rival has emerged in the past few years called RISC-V, a new kind of royalty-free architecture started by academics. Its proponents are holding an event in the heart of Silicon Valley to tout its growth.
article: https://venturebeat.com/2019/12/11/risc-v-grows-globally-as-an-alternative-to-arm-and-its-license-fees/