Ksm – a lightweight hypervisor for Windows (eptp vmfunc+idt shadow)
A fast, hackable and simple x64 VT-x hypervisor for Windows and Linux. Builtin userspace sandbox and introspection engine. - asamy/ksm
Ksm – a lightweight hypervisor for Windows (eptp vmfunc+idt shadow) launched on July 13, 2016 with 12 votes, #1,599 of 3,671 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
KSM is a lightweight hypervisor designed for Windows systems that uses extended page table pointers and virtual machine function instructions to optimize performance. It leverages interrupt descriptor table shadowing to manage system-level operations efficiently. The project is intended for developers and systems engineers who need virtualization capabilities with minimal resource overhead. It is available as open-source code on GitHub and was first released in 2016.
written from the facts on this page · September 2026
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