diff --git a/qemu/bin/linux b/qemu/bin/linux
new file mode 100755
index 0000000..513afbc
--- /dev/null
+++ b/qemu/bin/linux
@@ -0,0 +1,8 @@
+#!/bin/sh -x
+qemu-system-x86_64 \
+	-enable-kvm \
+	-M q35 \
+	-cpu host -smp "$(("$(nproc)" / 2))" \
+	-m "$(("$(free | awk '($1 == "Mem:") { print $2 }')" / 2))K" \
+	-net nic \
+	"$@"
diff --git a/qemu/bin/linux-spice b/qemu/bin/linux-spice
new file mode 100755
index 0000000..d38aeb8
--- /dev/null
+++ b/qemu/bin/linux-spice
@@ -0,0 +1,8 @@
+#!/bin/sh -x
+exec linux \
+	-vga qxl \
+	-device virtio-serial \
+	-chardev spicevmc,id=vdagent,debug=0,name=vdagent \
+	-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
+	-spice port="$(first-free-port 5900)",addr=127.0.0.1,disable-ticketing=on \
+	"$@"
diff --git a/qemu/bin/redox b/qemu/bin/redox
new file mode 100755
index 0000000..d801324
--- /dev/null
+++ b/qemu/bin/redox
@@ -0,0 +1,10 @@
+#!/bin/sh -x
+exec qemu-system-x86_64 \
+	-enable-kvm \
+	-M q35 \
+	-cpu host -smp "$(("$(nproc)" / 2))" \
+	-m "$(("$(free | grep '^Mem:\s' | awk '{ print $NF }')" / 2))K" \
+	-device e1000,netdev=net0 \
+	-device nec-usb-xhci,id=xhci \
+	-device ich9-intel-hda -device hda-duplex \
+	"$@"
diff --git a/qemu/bin/redox-spice b/qemu/bin/redox-spice
new file mode 100755
index 0000000..f550aa6
--- /dev/null
+++ b/qemu/bin/redox-spice
@@ -0,0 +1,4 @@
+#!/bin/sh -x
+exec redox \
+	-vga qxl -spice port="$(first-free-port 5900)",addr=127.0.0.1,disable-ticketing=on \
+	"$@"
diff --git a/qemu/bin/windows b/qemu/bin/windows
new file mode 100755
index 0000000..acf4f15
--- /dev/null
+++ b/qemu/bin/windows
@@ -0,0 +1,9 @@
+#!/bin/sh -x
+qemu-system-x86_64 \
+	-enable-kvm \
+	-cpu host -smp "$(("$(nproc)" / 2))" \
+	-m "$(("$(free | grep '^Mem: ' | awk '{ print $NF }')" / 2))K" \
+	-net nic \
+	-device virtio-serial \
+	-usbdevice tablet \
+	"$@"
diff --git a/qemu/bin/windows-spice b/qemu/bin/windows-spice
new file mode 100755
index 0000000..da49e67
--- /dev/null
+++ b/qemu/bin/windows-spice
@@ -0,0 +1,7 @@
+#!/bin/sh -x
+exec windows \
+	-vga qxl \
+	-spice port="$(first-free-port 5900)",addr=127.0.0.1,disable-ticketing=on \
+	-chardev spicevmc,id=vdagent,name=vdagent \
+	-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
+	"$@"