diff --git a/README.md b/README.md
index e0454a6b9..cfe55b42c 100755
--- a/README.md
+++ b/README.md
@@ -211,6 +211,7 @@ List of Definitions
 * [simple-cw-node](https://github.com/astronaughts/simple-cw-node) (by [vvakame](https://github.com/vvakame))
 * [Sinon](http://sinonjs.org/) (by [William Sears](https://github.com/mrbigdog2u))
 * [SlickGrid](https://github.com/mleibman/SlickGrid) (by [Josh Baldwin](https://github.com/jbaldwin))
+* [smoothie](https://github.com/joewalnes/smoothie) (by [Mike H. Hawley](https://github.com/mikehhawley))
 * [socket.io](http://socket.io) (by [William Orr](https://github.com/worr))
 * [SockJS](https://github.com/sockjs/sockjs-client) (by [Emil Ivanov](https://github.com/vladev))
 * [SoundJS](http://www.createjs.com/#!/SoundJS) (by [Pedro Ferreira](https://bitbucket.org/drk4))
diff --git a/smoothie/smoothie-tests.ts b/smoothie/smoothie-tests.ts
new file mode 100644
index 000000000..8fb75de8d
--- /dev/null
+++ b/smoothie/smoothie-tests.ts
@@ -0,0 +1,32 @@
+/// <reference path="smoothie.d.ts" />
+
+// Smoothie supports browserify
+import Smoothie = require('smoothie');
+
+var canvas: HTMLCanvasElement = document.createElement('canvas');
+
+document.body.appendChild(canvas);
+
+var series: Smoothie.TimeSeries   = new Smoothie.TimeSeries(),
+	chart: Smoothie.SmoothieChart = new Smoothie.SmoothieChart({
+    grid : {
+        strokeStyle : '#404040'
+    },
+    maxValue :    1,
+    minValue :    0
+});
+
+chart.addTimeSeries(series, {
+    strokeStyle : '#FFFFFF',
+    fillStyle   : 'rgba(64, 64, 64, 0.25)',
+    lineWidth   : 2
+});
+
+var DELAY: number = 500;
+
+chart.streamTo(canvas, DELAY);
+chart.addTimeSeries(series);
+
+setInterval(() =>
+	series.append(Date.now(), Math.random()),
+	DELAY);
diff --git a/smoothie/smoothie.d.ts b/smoothie/smoothie.d.ts
new file mode 100644
index 000000000..d5ba175e9
--- /dev/null
+++ b/smoothie/smoothie.d.ts
@@ -0,0 +1,66 @@
+// Type definitions for smoothie
+// Project: https://github.com/joewalnes/smoothie
+// Definitions by: Mike H. Hawley <https://github.com/mikehhawley>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../node/node.d.ts" />
+
+declare module "smoothie" {
+    export class TimeSeries {
+        constructor(options?: {
+            resetBoundsInterval?: number;
+            resetBounds?: boolean
+        });
+
+        public resetBounds(): void;
+        
+        public append(timestamp: number, value: number, sumRepeatedTimeStampValues?: boolean): void;
+        
+        public dropOldData(oldestValidTime: number, maxDataSetLength: number): void;
+    }
+
+    export class SmoothieChart {
+        constructor(options?: {
+            millisPerPixel?:   number;
+            maxValueScale?:    number;
+            interpolation?:    string;
+            scaleSmoothing?:   number;
+            maxDataSetLength?: number;
+            
+            grid?: {
+                fillStyle?:        string;
+                strokeStyle?:      string;
+                lineWidth?:        number;
+                sharpLines?:       boolean;
+                millisPerLine?:    number;
+                verticalSections?: number;
+                borderVisible?:    boolean
+            };
+    
+            labels?: {
+                fillStyle?:  string;
+                disabled?:   boolean;
+                fontSize?:   number;
+                fontFamily?: string;
+                precision?:  number
+            };
+        
+            horizontalLines?: number[]
+        });
+
+        public addTimeSeries(timeSeries: TimeSeries, options?: {
+            lineWidth?: number;
+            strokeStyle?: string
+        }): void;
+
+        public removeTimeSeries(timeSeries: TimeSeries): void;
+
+        public streamTo(canvas: HTMLCanvasElement, delayMillis: number): void;
+
+        public start(): void;
+        public stop():  void;
+
+        public updateValueRange(): void;
+        public render(canvas?: HTMLCanvasElement, time?: number): void;
+    }
+}