I recently wrote about the Nyuzi Processor, referring a Phoronix article. Commenter Timothy Miller was kind enough to point out that the source article fails to recognize Jeff Bush as the author of the Nyuzi Processor.
Visiting his github page, reveals a set of interesting project, including another CPU design, RotorCPU, as well as an experimental, albeit old, x86 operating system. All in all, a nice set of repos to browse through.