diff --git a/node-cache/node-cache.d.ts b/node-cache/node-cache.d.ts
new file mode 100644
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--- /dev/null
+++ b/node-cache/node-cache.d.ts
@@ -0,0 +1,263 @@
+// Type definitions for node-cache v3.0.0
+// Project: https://github.com/tcs-de/nodecache
+// Definitions by: Ilya Mochalov <https://github.com/chrootsu>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../node/node.d.ts" />
+
+declare module NodeCacheTypes {
+	interface NodeCache {
+		/** container for cached data */
+		data: Data;
+
+		/** module options */
+		options: Options;
+
+		/** statistics container */
+		stats: Stats;
+
+		/**
+		 * get a cached key and change the stats
+		 *
+		 * @param key cache key or an array of keys
+		 * @param cb Callback function
+		 */
+		get<T>(
+			key: string,
+			cb?: Callback<T>
+		): T;
+
+		/**
+		 * get multiple cached keys at once and change the stats
+		 *
+		 * @param keys an array of keys
+		 * @param cb Callback function
+		 */
+		mget<T>(
+			keys: string[],
+			cb?: Callback<{[key: string]: T}>
+		): {[key: string]: T};
+
+		/**
+		 * set a cached key and change the stats
+		 *
+		 * @param key cache key
+		 * @param value A element to cache. If the option `option.forceString` is `true` the module trys to translate
+		 * it to a serialized JSON
+		 * @param ttl The time to live in seconds.
+		 * @param cb Callback function
+		 */
+		set<T>(
+			key: string,
+			value: T,
+			ttl: number|string,
+			cb?: Callback<boolean>
+		): boolean;
+
+		set<T>(
+			key: string,
+			value: T,
+			cb?: Callback<boolean>
+		): boolean;
+
+		/**
+		 * remove keys
+		 * @param keys cache key to delete or a array of cache keys
+		 * @param cb Callback function
+		 * @returns Number of deleted keys
+		 */
+		del(
+			keys: string|string[],
+			cb?: Callback<number>
+		): number;
+
+		/**
+		 * reset or redefine the ttl of a key. If `ttl` is not passed or set to 0 it's similar to `.del()`
+		 */
+		ttl(
+			key: string,
+			ttl: number,
+			cb?: Callback<boolean>
+		): boolean;
+
+		ttl(
+			key: string,
+			cb?: Callback<boolean>,
+			ttl?: number
+		): boolean;
+
+		/**
+		 * list all keys within this cache
+		 * @param cb Callback function
+		 * @returns An array of all keys
+		 */
+		keys(cb?: Callback<string[]>): string[];
+
+		/**
+		 * get the stats
+		 *
+		 * @returns Stats data
+		 */
+		getStats(): Stats;
+
+		/**
+		 * flush the hole data and reset the stats
+		 */
+		flushAll(): void;
+
+		/**
+		 * This will clear the interval timeout which is set on checkperiod option.
+		 */
+		close(): void;
+	}
+
+	interface Data {
+		[key: string]: WrappedValue<any>;
+	}
+
+	interface Options {
+		forceString: boolean;
+		objectValueSize: number;
+		arrayValueSize: number;
+		stdTTL: number;
+		checkperiod: number;
+		useClones: boolean;
+	}
+
+	interface Stats {
+		hits: number;
+		misses: number;
+		keys: number;
+		ksize: number;
+		vsize: number;
+	}
+
+	interface WrappedValue<T> {
+		// ttl
+		t: number;
+		// value
+		v: T;
+	}
+
+	interface Callback<T> {
+		(err: any, data: T): void;
+	}
+}
+
+declare module "node-cache" {
+	import events = require("events");
+
+	import Data = NodeCacheTypes.Data;
+	import Options = NodeCacheTypes.Options;
+	import Stats = NodeCacheTypes.Stats;
+	import Callback = NodeCacheTypes.Callback;
+
+	class NodeCache extends events.EventEmitter implements NodeCacheTypes.NodeCache {
+		/** container for cached data */
+		data: Data;
+
+		/** module options */
+		options: Options;
+
+		/** statistics container */
+		stats: Stats;
+
+		constructor(options?: Options);
+
+		/**
+		 * get a cached key and change the stats
+		 *
+		 * @param key cache key or an array of keys
+		 * @param cb Callback function
+		 */
+		get<T>(
+			key: string,
+			cb?: Callback<T>
+		): T;
+
+		/**
+		 * get multiple cached keys at once and change the stats
+		 *
+		 * @param keys an array of keys
+		 * @param cb Callback function
+		 */
+		mget<T>(
+			keys: string[],
+			cb?: Callback<{[key: string]: T}>
+		): {[key: string]: T};
+
+		/**
+		 * set a cached key and change the stats
+		 *
+		 * @param key cache key
+		 * @param value A element to cache. If the option `option.forceString` is `true` the module trys to translate
+		 * it to a serialized JSON
+		 * @param ttl The time to live in seconds.
+		 * @param cb Callback function
+		 */
+		set<T>(
+			key: string,
+			value: T,
+			ttl: number|string,
+			cb?: Callback<boolean>
+		): boolean;
+
+		set<T>(
+			key: string,
+			value: T,
+			cb?: Callback<boolean>
+		): boolean;
+
+		/**
+		 * remove keys
+		 * @param keys cache key to delete or a array of cache keys
+		 * @param cb Callback function
+		 * @returns Number of deleted keys
+		 */
+		del(
+			keys: string|string[],
+			cb?: Callback<number>
+		): number;
+
+		/**
+		 * reset or redefine the ttl of a key. If `ttl` is not passed or set to 0 it's similar to `.del()`
+		 */
+		ttl(
+			key: string,
+			ttl: number,
+			cb?: Callback<boolean>
+		): boolean;
+
+		ttl(
+			key: string,
+			cb?: Callback<boolean>,
+			ttl?: number
+		): boolean;
+
+		/**
+		 * list all keys within this cache
+		 * @param cb Callback function
+		 * @returns An array of all keys
+		 */
+		keys(cb?: Callback<string[]>): string[];
+
+		/**
+		 * get the stats
+		 *
+		 * @returns Stats data
+		 */
+		getStats(): Stats;
+
+		/**
+		 * flush the hole data and reset the stats
+		 */
+		flushAll(): void;
+
+		/**
+		 * This will clear the interval timeout which is set on checkperiod option.
+		 */
+		close(): void;
+	}
+
+	export = NodeCache;
+}