QSOE v0.1 is a new open-source operating system inspired by QNX Neutrino, targeting the RISC-V architecture exclusively. It features a dual-kernel design: QSOE/N uses a custom-built Skimmer microkernel, while QSOE/L runs the seL4 microkernel. Both share the same user-space and adopt QNX design principles including a small kernel, async message-passing IPC, and a resource-manager model. Currently supported targets are the SiFive HiFive Unmatched board and QEMU. The project is Apache 2.0 licensed and hosted on GitLab.
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