diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 7afc84012..ec2eec5d8 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -216,6 +216,7 @@ All definitions files include a header with the author and editors, so at some p
 * [JWPlayer](http://developer.longtailvideo.com/trac/) (by [Martin Duparc](https://github.com/martinduparc/))
 * [KeyboardJS](https://github.com/RobertWHurst/KeyboardJS) (by [Vincent Bortone](https://github.com/vbortone/))
 * [keymaster.js](https://github.com/madrobby/keymaster) (by [Marting W. Kirst](https://github.com/nitram509/))
+* [Keypress](https://github.com/dmauro/Keypress/) (by [Roger Chen](https://github.com/rcchen/))
 * [KineticJS](http://kineticjs.com/) (by [Basarat Ali Syed](https://github.com/basarat))
 * [Knockback](http://kmalakoff.github.com/knockback/) (by [Marcel Binot](https://github.com/docgit))
 * [Knockout.js](http://knockoutjs.com/) (by [Boris Yankov](https://github.com/borisyankov))
diff --git a/keypress/keypress-tests.ts b/keypress/keypress-tests.ts
new file mode 100644
index 000000000..38d12c12f
--- /dev/null
+++ b/keypress/keypress-tests.ts
@@ -0,0 +1,61 @@
+/// <reference path="keypress.d.ts"/>
+
+module KeypressComboTests {
+    var listener = new window.keypress.Listener();
+
+    var copyCombo = <Keypress.Combo>{
+        keys: "cmd c",
+        on_keydown: () => {
+            console.log("Key down");
+        },
+        on_keyup: () => {
+            console.log("Key up");
+        },
+        on_release: () => {
+            console.log("Released");
+        },
+        prevent_default: true,
+        prevent_repeat: false,
+        is_unordered: true,
+        is_counting: false,
+        is_exclusive: false,
+        is_sequence: true,
+        is_solitary: true
+    };
+
+    var pasteCombo = <Keypress.Combo>{
+        keys: "ctrl v",
+        on_keydown: () => {
+            console.log("Paste");
+        },
+        prevent_default: true,
+        prevent_repeat: true,
+        is_exclusive: true
+    };
+
+    listener.register_combo(copyCombo);
+    listener.unregister_combo("cmd c");
+
+    listener.register_many([copyCombo, pasteCombo]);
+    listener.stop_listening();
+    listener.listen();
+    listener.unregister_many(["cmd c", "cmd v"]);
+
+    listener.reset();
+}
+
+module KeypressBindingTests {
+    var element = document.createElement('div');
+    var defaults = <Keypress.ListenerDefaults>{
+        prevent_default: true,
+        prevent_repeat: true,
+        is_unordered: true,
+        is_counting: false,
+        is_exclusive: false,
+        is_solitary: false,
+        is_sequence: false
+    };
+    var listener = new window.keypress.Listener(element);
+    listener = new window.keypress.Listener(element, defaults);
+    listener.reset();
+}
diff --git a/keypress/keypress.d.ts b/keypress/keypress.d.ts
new file mode 100644
index 000000000..bd831d5b0
--- /dev/null
+++ b/keypress/keypress.d.ts
@@ -0,0 +1,61 @@
+// Type definitions for Keypress v2.0.3
+// Project: https://github.com/dmauro/Keypress/
+// Definitions by: Roger Chen <https://github.com/rcchen>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+// A keyboard input capturing utility in which any key can be a modifier key.
+declare module Keypress {
+
+    interface ListenerDefaults {
+        keys: string;
+        prevent_default: boolean;
+        prevent_repeat: boolean;
+        is_unordered: boolean;
+        is_counting: boolean;
+        is_exclusive: boolean;
+        is_solitary: boolean;
+        is_sequence: boolean;
+    }
+    
+    interface Combo {
+        keys: string;
+        on_keydown: () => any;
+        on_keyup: () => any;
+        on_release: () => any;
+        this: Element;
+        prevent_default: boolean;
+        prevent_repeat: boolean;
+        is_unordered: boolean;
+        is_counting: boolean;
+        is_exclusive: boolean;
+        is_sequence: boolean;
+        is_solitary: boolean;
+    }
+    
+    interface Listener {
+        new(element: Element, defaults: ListenerDefaults): Listener;
+        new(element: Element): Listener;
+        new(): Listener;
+        simple_combo(keys: string, on_keydown_callback: () => any): void;
+        counting_combo(keys: string, on_count_callback: () => any): void;
+        sequence_combo(keys: string, callback: () => any): void;
+        register_combo(combo: Combo): void;
+        unregister_combo(combo: Combo): void;
+        unregister_combo(keys: string): void;
+        register_many(combos: Combo[]): void;
+        unregister_many(combos: Combo[]): void;
+        unregister_many(keys: string[]): void;
+        get_registered_combos(): Combo[];
+        reset(): void;
+        listen(): void;
+        stop_listening(): void;
+    }
+    
+    interface Keypress {
+        Listener: Listener;
+    }
+}
+
+interface Window {
+    keypress: Keypress.Keypress;
+}