diff --git a/drop/drop-tests.ts b/drop/drop-tests.ts
new file mode 100644
index 0000000000..b5ae47456c
--- /dev/null
+++ b/drop/drop-tests.ts
@@ -0,0 +1,28 @@
+///<reference path="../tether/tether.d.ts" />
+///<reference path="drop.d.ts" />
+
+var yellowBox = document.querySelector(".yellow");
+var greenBox = document.querySelector(".green");
+
+var d = new Drop({
+    position: "bottom left",
+    openOn: "click",
+    constrainToWindow: true,
+    constrainToScrollParent: true,
+    classes: "",
+    tetherOptions: {}
+});
+
+d.open();
+d.close();
+d.remove();
+d.toggle();
+d.position();
+d.destroy();
+
+d.on("open", () => null);
+d.on("close", () => null);
+d.once("close", () => null);
+d.off("close", () => null);
+d.off("open");
+
diff --git a/drop/drop.d.ts b/drop/drop.d.ts
new file mode 100644
index 0000000000..18568afdd6
--- /dev/null
+++ b/drop/drop.d.ts
@@ -0,0 +1,48 @@
+// Type definitions for Drop v0.5
+// Project: http://github.hubspot.com/drop/
+// Definitions by: Adi Dahiya <https://github.com/adidahiya>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+///<reference path="../tether/tether.d.ts" />
+
+declare module drop {
+
+    interface DropStatic {
+        new(options: IDropOptions): Drop;
+    }
+
+    interface IDropOptions {
+        target?: Element;
+        content?: Element | string | (() => string);
+        position?: string;
+        openOn?: string;
+        constrainToWindow?: boolean;
+        constrainToScrollParent?: boolean;
+        remove?: boolean;
+        tetherOptions?: tether.ITetherOptions;
+    }
+
+    interface Drop {
+        content: HTMLElement;
+        open(): void;
+        close(): void;
+        remove(): void;
+        toggle(): void;
+        position(): void;
+        destroy(): void;
+        /*
+         * Drop instances fire "open" and "close" events.
+         */
+        on(event: string, handler: Function, context?: any): void;
+        once(event: string, handler: Function, context?: any): void;
+        off(event: string, handler?: Function): void;
+    }
+
+}
+
+declare module "drop" {
+    export = drop;
+}
+
+declare var Drop: drop.DropStatic;
+
diff --git a/tether/tether-tests.ts b/tether/tether-tests.ts
new file mode 100644
index 0000000000..4d3295b509
--- /dev/null
+++ b/tether/tether-tests.ts
@@ -0,0 +1,53 @@
+///<reference path="../jquery/jquery.d.ts" />
+///<reference path="tether.d.ts" />
+
+var yellowBox = document.querySelector(".yellow");
+var greenBox = document.querySelector(".green");
+
+new Tether({
+    attachment: "bottom middle",
+    targetAttachment: "top middle",
+    targetModifier: "visible",
+    offset: "-15px 0",
+    targetOffset: "0 0"
+});
+
+new Tether({
+    element: yellowBox,
+    target: greenBox,
+    attachment: "top left",
+    optimizations: {
+        gpu: false
+    }
+});
+
+new Tether({
+    element: yellowBox,
+    target: greenBox,
+    attachment: "top left",
+    targetAttachment: "bottom left",
+    constraints: [
+        {
+            to: "scrollParent",
+            pin: true
+        },
+        {
+            to: "window",
+            attachment: "together"
+        }
+    ]
+});
+
+new Tether({
+    element: yellowBox,
+    target: greenBox,
+    attachment: "middle left",
+    targetAttachment: "middle left",
+    constraints: [
+        {
+            to: "scrollParent",
+            pin: ["top"]
+        }
+    ]
+});
+
diff --git a/tether/tether.d.ts b/tether/tether.d.ts
new file mode 100644
index 0000000000..be1200f28e
--- /dev/null
+++ b/tether/tether.d.ts
@@ -0,0 +1,50 @@
+// Type definitions for Tether v0.6
+// Project: http://github.hubspot.com/tether/
+// Definitions by: Adi Dahiya <https://github.com/adidahiya>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module tether {
+
+    interface TetherStatic {
+        new(options: ITetherOptions): Tether;
+    }
+
+    interface ITetherOptions {
+        attachment?: string;
+        classes?: {[className: string]: boolean};
+        classPrefix?: string;
+        constraints?: ITetherConstraint[];
+        element?: Element | string | any /* JQuery */;
+        enabled?: boolean;
+        offset?: string;
+        optimizations?: any;
+        target?: Element | string | any /* JQuery */;
+        targetAttachment?: string;
+        targetOffset?: string;
+        targetModifier?: string;
+    }
+
+    interface ITetherConstraint {
+        attachment?: string;
+        outOfBoundsClass?: string;
+        pin?: boolean | string[];
+        pinnedClass?: string;
+        to?: string | Element | number[];
+    }
+
+    interface Tether {
+        setOptions(options: ITetherOptions): void;
+        disable(): void;
+        enable(): void;
+        destroy(): void;
+        position(): void;
+    }
+
+}
+
+declare module "tether" {
+    export = tether;
+}
+
+declare var Tether: tether.TetherStatic;
+