A developer used Astra to remove approximately 60% of Kata Containers code while maintaining full Kubernetes-Firecracker integration support, reducing attack surface and improving auditability. The hardened fork runs x86_64 workloads in Firecracker VMs with 13.5k SLOC for host runtime and 8.1k for agent, tested in a homelab cluster but offered without security guarantees or production verification.
WinBoat's Helios is an API-level paravirtualization tool for 3D GPU acceleration in virtual machines, not a traditional vGPU. It forwards graphics calls from a guest Windows system to the host Linux GPU via a custom Vulkan driver and virtio channel, meaning guest applications lack direct GPU access and cannot use CUDA, NVENC, or DXGI.