by Zeitlos is an open-source RISC-V SoC and operating system for FPGA computers. It is designed as a complete, user-controlled computer platform, with open FPGA gateware, CPU, operating system, and applications. Zeitlos provides a responsive graphical environment with multitasking, virtual addressing, networking, TLS, graphics, audio, storage, and a growing collection of native applications.
zeitlos.org
github.com/machdyne/zeitlos