diff --git a/README.md b/README.md
index 6c88b1287..251263010 100755
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ List of Definitions
 * [domo](http://domo-js.com/) (by [Steve Fenton](https://github.com/Steve-Fenton))
 * [dust](http://linkedin.github.com/dustjs) (by [Marcelo Dezem](https://github.com/mdezem))
 * [EaselJS](http://www.createjs.com/#!/EaselJS) (by [Pedro Ferreira](https://bitbucket.org/drk4))
+* [EasyStar](http://easystarjs.com/) (by [Magnus Gustafsson](https://github.com/Borundin))
 * [ember.js](http://emberjs.com/) (by [Boris Yankov](https://github.com/borisyankov))
 * [EpicEditor](http://epiceditor.com/) (by [Boris Yankov](https://github.com/borisyankov))
 * [ES6-Promises](https://github.com/jakearchibald/ES6-Promises) (by [François de Campredon](https://github.com/fdecampredon/))
diff --git a/easystarjs/easystarjs-tests.ts b/easystarjs/easystarjs-tests.ts
new file mode 100755
index 000000000..a63d4ea0f
--- /dev/null
+++ b/easystarjs/easystarjs-tests.ts
@@ -0,0 +1,47 @@
+/// <reference path="easystarjs.d.ts"/>
+
+// For node.js compile using: tsc --module commonjs easystarjs-tests.ts
+// then run using: node easystarjs-tests.js
+import EasyStar = require('easystarjs');
+
+var test = new EasyStar.js();
+
+test.setGrid([
+    [0, 0, 0, 1, 0],
+    [0, 0, 0, 1, 0],
+    [0, 0, 1, 1, 0],
+    [0, 0, 0, 0, 0],
+    [0, 0, 0, 1, 0]
+]);
+test.setAcceptableTiles([0]);
+test.setIterationsPerCalculation(1000);
+test.findPath(2, 0, 4, 4, function (path: EasyStar.Position[])
+{
+    if (path == null)
+    {
+        console.log("No path found!");
+        return;
+    }
+    for (var i = 0; i < path.length; i++)
+    {
+        var pos = path[i];
+        console.log("%d, %d", pos.x, pos.y);
+    }
+});
+
+test.calculate();
+
+/*
+Should log:
+
+2, 0
+2, 1
+1, 1
+1, 2
+1, 3
+2, 3
+3, 3
+4, 3
+4, 4
+
+*/
\ No newline at end of file
diff --git a/easystarjs/easystarjs.d.ts b/easystarjs/easystarjs.d.ts
new file mode 100755
index 000000000..7640b1a8b
--- /dev/null
+++ b/easystarjs/easystarjs.d.ts
@@ -0,0 +1,34 @@
+// Type definitions for EasyStar.js 0.1.6
+// Project: http://easystarjs.com/
+// Definitions by: Magnus Gustafsson <https://github.com/borundin>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped  
+/*
+easystarjs.d.ts may be freely distributed under the MIT license.
+*/
+
+declare module "easystarjs"
+{
+    class js
+    {
+        new (): js;
+        setGrid(grid: number[][]): void;
+        setAcceptableTiles(tiles: number[]): void;
+        findPath(startX: number, startY: number, endX: number, endY: number, callback: (path: Position[]) => void): void;
+        calculate(): void;
+        setIterationsPerCalculation(iterations: number): void;
+        avoidAdditionalPoint(x: number, y: number): void;
+        stopAvoidingAdditionalPoint(x: number, y: number): void;
+        stopAvoidingAllAdditionalPoints(): void;
+        enableDiagonals(): void;
+        disableDiagonals(): void;
+        setTileCost(tileType: number, multiplicativeCost: number): void;
+    }
+
+    interface Position
+    {
+        x: number;
+        y: number;
+    }
+}
+
+ 
\ No newline at end of file