diff --git a/nui-core/build.gradle b/nui-core/build.gradle
new file mode 100644
index 0000000000..2b8b7cbf1a
--- /dev/null
+++ b/nui-core/build.gradle
@@ -0,0 +1,25 @@
+plugins {
+    id 'java-library'
+    id 'maven-publish'
+}
+
+apply from: "$rootDir/gradle/common.gradle"
+
+dependencies {
+    api group: 'org.terasology.gestalt', name: 'gestalt-module', version: '7.0.3'
+    api group: 'org.terasology.gestalt', name: 'gestalt-asset-core', version: '7.0.3'
+
+    api ('org.joml:joml') {
+        version {
+            require jomlVersion
+        }
+    }
+
+    api ('org.terasology.joml-ext:joml-geometry') {
+        version {
+            require geomVersion
+        }
+    }
+
+    implementation group: 'com.google.guava', name: 'guava', version: '23.0'
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/UICore.java b/nui-core/src/main/java/org/terasology/nui/core/UICore.java
new file mode 100644
index 0000000000..b6189e5b98
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/UICore.java
@@ -0,0 +1,4 @@
+package org.terasology.nui.core;
+
+public class UICore {
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/UIPaintable.java b/nui-core/src/main/java/org/terasology/nui/core/UIPaintable.java
new file mode 100644
index 0000000000..2375f41636
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/UIPaintable.java
@@ -0,0 +1,4 @@
+package org.terasology.nui.core;
+
+public interface UIPaintable {
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/UISlot.java b/nui-core/src/main/java/org/terasology/nui/core/UISlot.java
new file mode 100644
index 0000000000..9b3102cbf4
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/UISlot.java
@@ -0,0 +1,18 @@
+package org.terasology.nui.core;
+
+import org.terasology.nui.core.bind.BindingFunction;
+
+import java.lang.ref.WeakReference;
+
+public class UISlot<T extends BindingFunction> {
+    private WeakReference<UIWidget> reference;
+    private T handler;
+
+    public UISlot(T handler) {
+        this.handler = handler;
+    }
+
+    public Object invoke(Object[] entry) {
+        return null;
+    }
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/UIWidget.java b/nui-core/src/main/java/org/terasology/nui/core/UIWidget.java
new file mode 100644
index 0000000000..2eda7d26e7
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/UIWidget.java
@@ -0,0 +1,57 @@
+package org.terasology.nui.core;
+
+import org.joml.Vector2f;
+import org.terasology.nui.core.bind.UIProperty;
+import org.terasology.nui.core.bind.UISignal;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+public class UIWidget implements AutoCloseable {
+    private UIWidget parent;
+    private List<UIWidget> children = new ArrayList<>();
+    private boolean isFree = false;
+
+    public final UISignal.UISignal0 destroy = new UISignal.UISignal0();
+
+    public final UIProperty<Float> z = new UIProperty<>(0.0f);
+    public final UIProperty<Vector2f> pos = new UIProperty<>(new Vector2f());
+    public final UIProperty<Vector2f> size = new UIProperty<>(new Vector2f());
+
+    public UIWidget(UIWidget parent) {
+        this.parent = parent;
+        this.parent.children.add(this);
+    }
+
+    public UIWidget(UIWidget parent, float z) {
+        this(parent);
+        this.z.set(z);
+    }
+
+    public UIWidget(UIWidget parent, Vector2f pos) {
+        this(parent);
+        this.pos.set(pos);
+    }
+
+    public UIWidget(UIWidget parent, Vector2f pos, Vector2f size) {
+        this(parent);
+        this.pos.set(pos);
+        this.size.set(size);
+    }
+
+    public Collection<UIWidget> children() {
+        return Collections.unmodifiableList(children);
+    }
+
+    public boolean isDisposed() {
+        return isFree;
+    }
+
+    @Override
+    public void close() {
+        this.isFree = true;
+        destroy.send();
+    }
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Binding.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Binding.java
new file mode 100644
index 0000000000..2c2abd1330
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Binding.java
@@ -0,0 +1,10 @@
+package org.terasology.nui.core.bind;
+
+import org.terasology.nui.core.UIWidget;
+
+public class Binding {
+    public static <T1> void bind(UIWidget wid1, UISignal.UISignal1<T1> signal, UIWidget wid2, UISlot.UISlot1<T1> slot) {
+        BindingPair pair = new BindingPair(wid1, wid2);
+        signal.register(pair, slot);
+    }
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/BindingFunction.java b/nui-core/src/main/java/org/terasology/nui/core/bind/BindingFunction.java
new file mode 100644
index 0000000000..ac453c44e8
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/BindingFunction.java
@@ -0,0 +1,4 @@
+package org.terasology.nui.core.bind;
+
+public interface BindingFunction {
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/BindingPair.java b/nui-core/src/main/java/org/terasology/nui/core/bind/BindingPair.java
new file mode 100644
index 0000000000..f5660cb594
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/BindingPair.java
@@ -0,0 +1,15 @@
+package org.terasology.nui.core.bind;
+
+import org.terasology.nui.core.UIWidget;
+
+import java.lang.ref.WeakReference;
+
+public class BindingPair {
+    private WeakReference<UIWidget> wid1;
+    private WeakReference<UIWidget> wid2;
+
+    public BindingPair(UIWidget w1, UIWidget w2) {
+        this.wid1 = new WeakReference<>(w1);
+        this.wid2 = new WeakReference<>(w2);
+    }
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function0.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function0.java
new file mode 100644
index 0000000000..23c6116aad
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function0.java
@@ -0,0 +1,7 @@
+package org.terasology.nui.core.bind;
+
+
+@FunctionalInterface
+public interface Function0 extends BindingFunction {
+    void apply();
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function1.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function1.java
new file mode 100644
index 0000000000..717037b16f
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function1.java
@@ -0,0 +1,6 @@
+package org.terasology.nui.core.bind;
+
+@FunctionalInterface
+public interface Function1<T1> extends BindingFunction {
+    void apply(T1 t1);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function2.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function2.java
new file mode 100644
index 0000000000..9b70de7998
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function2.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function2<T1, T2> extends BindingFunction {
+    void apply(T1 t1, T2 t2);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function3.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function3.java
new file mode 100644
index 0000000000..41cb663739
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function3.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function3<T1, T2, T3> extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function4.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function4.java
new file mode 100644
index 0000000000..f5b124f0f7
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function4.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function4<T1, T2, T3, T4>extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3, T4 t4);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function5.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function5.java
new file mode 100644
index 0000000000..5f7f8db999
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function5.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function5<T1, T2, T3, T4, T5> extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function6.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function6.java
new file mode 100644
index 0000000000..9c273d1dc7
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function6.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function6<T1, T2, T3, T4, T5, T6> extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function7.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function7.java
new file mode 100644
index 0000000000..f02669ce56
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function7.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function7<T1, T2, T3, T4, T5, T6, T7>extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/Function8.java b/nui-core/src/main/java/org/terasology/nui/core/bind/Function8.java
new file mode 100644
index 0000000000..f36018c5d5
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/Function8.java
@@ -0,0 +1,5 @@
+package org.terasology.nui.core.bind;
+
+public interface Function8<T1, T2, T3, T4, T5, T6, T7, T8>  extends BindingFunction {
+    void apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8);
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/UIProperty.java b/nui-core/src/main/java/org/terasology/nui/core/bind/UIProperty.java
new file mode 100644
index 0000000000..e8085569d0
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/UIProperty.java
@@ -0,0 +1,19 @@
+package org.terasology.nui.core.bind;
+
+public class UIProperty<T1> {
+    private T1 value;
+    public final UISignal.UISignal1<T1> propertyChanged = new UISignal.UISignal1();
+
+    public UIProperty(T1 initial) {
+        this.value = initial;
+    }
+
+    public void set(T1 value) {
+        propertyChanged.send(value);
+        this.value = value;
+    }
+
+    public T1 get() {
+        return value;
+    }
+}
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/UISignal.java b/nui-core/src/main/java/org/terasology/nui/core/bind/UISignal.java
new file mode 100644
index 0000000000..8d8f55f074
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/UISignal.java
@@ -0,0 +1,65 @@
+package org.terasology.nui.core.bind;
+
+import com.google.common.collect.Multimap;
+import org.terasology.nui.core.UIWidget;
+
+import java.lang.ref.WeakReference;
+
+public class UISignal {
+
+    public static class UISignal0 extends UISignal {
+        public Multimap<BindingPair, UISlot.UISlot0> bindings;
+
+        public UISignal0() {
+        }
+
+        protected boolean register(BindingPair pair, UISlot.UISlot0 slot) {
+            bindings.put(pair, slot);
+            return true;
+        }
+
+        public void send() {
+            for (BindingPair pair : bindings.keys()) {
+                for (UISlot.UISlot0 slot : bindings.get(pair)) {
+                    slot.invoke();
+                }
+            }
+        }
+    }
+
+    public static class UISignal1<T1> extends UISignal {
+        public Multimap<BindingPair, UISlot.UISlot1<T1>> bindings;
+
+        public UISignal1() {
+        }
+
+        protected boolean register(BindingPair pair, UISlot.UISlot1<T1> slot) {
+            bindings.put(pair, slot);
+            return true;
+        }
+
+        public void send(T1 handler) {
+            for (BindingPair pair : bindings.keys()) {
+                for (UISlot.UISlot1<T1> slot : bindings.get(pair)) {
+                    slot.invoke(handler);
+                }
+            }
+        }
+    }
+
+    public static class UISignal2<T1, T2> extends UISignal {
+        private WeakReference<UIWidget> reference;
+
+        public UISignal2() {
+        }
+
+
+        public void send(T1 t1, T2 t2) {
+
+        }
+    }
+
+
+}
+
+
diff --git a/nui-core/src/main/java/org/terasology/nui/core/bind/UISlot.java b/nui-core/src/main/java/org/terasology/nui/core/bind/UISlot.java
new file mode 100644
index 0000000000..a34428273d
--- /dev/null
+++ b/nui-core/src/main/java/org/terasology/nui/core/bind/UISlot.java
@@ -0,0 +1,26 @@
+package org.terasology.nui.core.bind;
+
+public class UISlot {
+
+    public static class UISlot0 extends UISlot {
+        private Function0 binding;
+        public UISlot0(Function0 binding) {
+            this.binding = binding;
+        }
+
+        public void invoke() {
+            binding.apply();
+        }
+    }
+
+    public static class UISlot1<T1> extends UISlot {
+        private Function1<T1> binding;
+        public UISlot1(Function1<T1> binding) {
+            this.binding = binding;
+        }
+
+        public void invoke(T1 t1) {
+            binding.apply(t1);
+        }
+    }
+}
diff --git a/nui-core/src/test/java/org/terasology/nui/core/TestWidget.java b/nui-core/src/test/java/org/terasology/nui/core/TestWidget.java
new file mode 100644
index 0000000000..038f41800d
--- /dev/null
+++ b/nui-core/src/test/java/org/terasology/nui/core/TestWidget.java
@@ -0,0 +1,37 @@
+package org.terasology.nui.core;
+
+
+import org.terasology.nui.core.bind.Binding;
+import org.terasology.nui.core.bind.UISignal;
+import org.terasology.nui.core.bind.UISlot;
+import org.terasology.nui.core.bind.Function1;
+
+public class TestWidget extends UIWidget{
+    private UISignal.UISignal1<Integer> a1 = new UISignal.UISignal1<>();
+    private TestWidget2 widget2 = new TestWidget2(this);
+
+    public class TestWidget2 extends UIWidget {
+        private int counter;
+        public final UISlot.UISlot1<Integer> consumer = new UISlot.UISlot1<>(new Function1<Integer>() {
+            @Override
+            public void apply(Integer integer) {
+                counter += integer;
+                handle1();
+            }
+        });
+
+        public void  handle1() {
+
+        }
+
+        public TestWidget2(UIWidget parent) {
+            super(parent);
+        }
+    }
+
+    public TestWidget(UIWidget parent) {
+        super(parent);
+        Binding.bind(this, a1, widget2, widget2.consumer);
+        a1.send(10);
+    }
+}
diff --git a/nui-guui/build.gradle b/nui-guui/build.gradle
new file mode 100644
index 0000000000..2b8b7cbf1a
--- /dev/null
+++ b/nui-guui/build.gradle
@@ -0,0 +1,25 @@
+plugins {
+    id 'java-library'
+    id 'maven-publish'
+}
+
+apply from: "$rootDir/gradle/common.gradle"
+
+dependencies {
+    api group: 'org.terasology.gestalt', name: 'gestalt-module', version: '7.0.3'
+    api group: 'org.terasology.gestalt', name: 'gestalt-asset-core', version: '7.0.3'
+
+    api ('org.joml:joml') {
+        version {
+            require jomlVersion
+        }
+    }
+
+    api ('org.terasology.joml-ext:joml-geometry') {
+        version {
+            require geomVersion
+        }
+    }
+
+    implementation group: 'com.google.guava', name: 'guava', version: '23.0'
+}
diff --git a/settings.gradle b/settings.gradle
index 4cea8bb38b..e3b0beba81 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,2 +1,2 @@
 rootProject.name = 'TeraNUI'
-include 'nui-input', 'nui', 'nui-reflect', 'nui-libgdx'
+include 'nui-input', 'nui', 'nui-reflect', 'nui-libgdx', 'nui-core'