diff --git a/api-error-handler/api-error-handler-tests.ts b/api-error-handler/api-error-handler-tests.ts
new file mode 100644
index 000000000..83df91e86
--- /dev/null
+++ b/api-error-handler/api-error-handler-tests.ts
@@ -0,0 +1,11 @@
+/// <reference path="api-error-handler.d.ts" />
+
+import errorHandler = require('api-error-handler');
+import express = require('express');
+
+var api = express.Router();
+api.get('/users/:userid', function (req, res, next) {
+
+});
+
+api.use(errorHandler());
diff --git a/api-error-handler/api-error-handler.d.ts b/api-error-handler/api-error-handler.d.ts
new file mode 100644
index 000000000..61a63825d
--- /dev/null
+++ b/api-error-handler/api-error-handler.d.ts
@@ -0,0 +1,14 @@
+// Type definitions for api-error-handler v1.0.0
+// Project: https://github.com/expressjs/api-error-handler
+// Definitions by: Tanguy Krotoff <https://github.com/tkrotoff>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../express/express.d.ts" />
+
+declare module 'api-error-handler' {
+    import express = require('express');
+
+    function apiErrorHandler(options?: any): express.ErrorRequestHandler;
+
+    export = apiErrorHandler;
+}
diff --git a/http-errors/http-errors-tests.ts b/http-errors/http-errors-tests.ts
new file mode 100644
index 000000000..06b91f13b
--- /dev/null
+++ b/http-errors/http-errors-tests.ts
@@ -0,0 +1,69 @@
+/// <reference path="http-errors.d.ts" />
+/// <reference path="../express/express.d.ts" />
+
+import createError = require('http-errors');
+import express = require('express');
+
+var app = express();
+
+app.use(function (req, res, next) {
+    if (!req.user) return next(createError(401, 'Please login to view this page.'));
+    next();
+});
+
+
+/* Examples taken from https://github.com/jshttp/http-errors/blob/1.3.1/test/test.js */
+
+// createError(status)
+var err = createError(404);
+console.log(err.name);
+console.log(err.message);
+console.log(err.status);
+console.log(err.statusCode);
+console.log(err.expose);
+
+// createError(status, msg)
+var err = createError(404, 'LOL');
+
+// createError(status, props)
+var err = createError(404, {id: 1});
+
+// createError(props)
+var err = createError({id: 1});
+console.log((<any> err).id);
+
+// createError(msg, status)
+var err = createError('LOL', 404);
+
+// createError(msg)
+var err = createError('LOL');
+
+// createError(msg, props)
+var err = createError('LOL', {id: 1});
+
+// createError(err)
+var err = createError(new Error('LOL'));
+
+// createError(err, props)
+var err = createError(new Error('LOL'), {id: 1});
+
+// createError(status, err, props)
+var err = createError(404, new Error('LOL'), {id: 1});
+
+// createError(status, msg, props)
+var err = createError(404, 'LOL', {id: 1});
+
+// createError(status, msg, { expose: false })
+var err = createError(404, 'LOL', {expose: false})
+
+// new createError.NotFound()
+var err = new createError.NotFound();
+
+// new createError.InternalServerError()
+var err = new createError.InternalServerError();
+
+// new createError['404']()
+var err = new createError['404']();
+
+//createError['404'](); // TypeScript should fail with "Did you mean to include 'new'?"
+//new createError(); // TypeScript should fail with "Only a void function can be called with the 'new' keyword"
diff --git a/http-errors/http-errors.d.ts b/http-errors/http-errors.d.ts
new file mode 100644
index 000000000..6f78ff6a7
--- /dev/null
+++ b/http-errors/http-errors.d.ts
@@ -0,0 +1,85 @@
+// Type definitions for http-errors v1.3.1
+// Project: https://github.com/jshttp/http-errors
+// Definitions by: Tanguy Krotoff <https://github.com/tkrotoff>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'http-errors' {
+    interface HttpError extends Error {
+        status: number;
+        statusCode: number;
+        expose: boolean;
+    }
+
+    interface CreateHttpError {
+        // See https://github.com/Microsoft/TypeScript/issues/227#issuecomment-50092674
+        [code: string]: new() => HttpError;
+
+        (...args: Array<Error | string | number | Object>): HttpError;
+
+        Continue: new() => HttpError;
+        SwitchingProtocols: new() => HttpError;
+        Processing: new() => HttpError;
+        OK: new() => HttpError;
+        Created: new() => HttpError;
+        Accepted: new() => HttpError;
+        NonAuthoritativeInformation: new() => HttpError;
+        NoContent: new() => HttpError;
+        ResetContent: new() => HttpError;
+        PartialContent: new() => HttpError;
+        MultiStatus: new() => HttpError;
+        AlreadyReported: new() => HttpError;
+        IMUsed: new() => HttpError;
+        MultipleChoices: new() => HttpError;
+        MovedPermanently: new() => HttpError;
+        Found: new() => HttpError;
+        SeeOther: new() => HttpError;
+        NotModified: new() => HttpError;
+        UseProxy: new() => HttpError;
+        Unused: new() => HttpError;
+        TemporaryRedirect: new() => HttpError;
+        PermanentRedirect: new() => HttpError;
+        BadRequest: new() => HttpError;
+        Unauthorized: new() => HttpError;
+        PaymentRequired: new() => HttpError;
+        Forbidden: new() => HttpError;
+        NotFound: new() => HttpError;
+        MethodNotAllowed: new() => HttpError;
+        NotAcceptable: new() => HttpError;
+        ProxyAuthenticationRequired: new() => HttpError;
+        RequestTimeout: new() => HttpError;
+        Conflict: new() => HttpError;
+        Gone: new() => HttpError;
+        LengthRequired: new() => HttpError;
+        PreconditionFailed: new() => HttpError;
+        PayloadTooLarge: new() => HttpError;
+        URITooLong: new() => HttpError;
+        UnsupportedMediaType: new() => HttpError;
+        RangeNotSatisfiable: new() => HttpError;
+        ExpectationFailed: new() => HttpError;
+        ImATeapot: new() => HttpError;
+        UnprocessableEntity: new() => HttpError;
+        Locked: new() => HttpError;
+        FailedDependency: new() => HttpError;
+        UnorderedCollection: new() => HttpError;
+        UpgradeRequired: new() => HttpError;
+        PreconditionRequired: new() => HttpError;
+        TooManyRequests: new() => HttpError;
+        RequestHeaderFieldsTooLarge: new() => HttpError;
+        UnavailableForLegalReasons: new() => HttpError;
+        InternalServerError: new() => HttpError;
+        NotImplemented: new() => HttpError;
+        BadGateway: new() => HttpError;
+        ServiceUnavailable: new() => HttpError;
+        GatewayTimeout: new() => HttpError;
+        HTTPVersionNotSupported: new() => HttpError;
+        VariantAlsoNegotiates: new() => HttpError;
+        InsufficientStorage: new() => HttpError;
+        LoopDetected: new() => HttpError;
+        BandwidthLimitExceeded: new() => HttpError;
+        NotExtended: new() => HttpError;
+        NetworkAuthenticationRequired: new() => HttpError;
+    }
+
+    var httpError: CreateHttpError;
+    export = httpError;
+}
diff --git a/statuses/statuses-tests.ts b/statuses/statuses-tests.ts
new file mode 100644
index 000000000..a55a706ff
--- /dev/null
+++ b/statuses/statuses-tests.ts
@@ -0,0 +1,33 @@
+/// <reference path="statuses.d.ts" />
+
+import status = require('statuses');
+
+var code: number;
+
+code = status(403) // => 403
+code = status('403') // => 403
+code = status('forbidden') // => 403
+code = status('Forbidden') // => 403
+code = status(306) // throws, as it's not supported by node.js
+
+var codes: Array<number>;
+codes = status.codes;
+
+var msg: string;
+msg = status[404] // => 'Not Found'
+
+code = status['not found'] // => 404
+code = status['Not Found'] // => 404
+
+var isRedirect: boolean;
+isRedirect = status.redirect[200] // => undefined
+isRedirect = status.redirect[301] // => true
+
+var isEmpty: boolean;
+isEmpty = status.empty[200] // => undefined
+isEmpty = status.empty[204] // => true
+isEmpty = status.empty[304] // => true
+
+var isRetry: boolean;
+isRetry = status.retry[501] // => undefined
+isRetry = status.retry[503] // => true
diff --git a/statuses/statuses.d.ts b/statuses/statuses.d.ts
new file mode 100644
index 000000000..7aacc2f61
--- /dev/null
+++ b/statuses/statuses.d.ts
@@ -0,0 +1,21 @@
+// Type definitions for http-errors v1.2.1
+// Project: https://github.com/jshttp/statuses
+// Definitions by: Tanguy Krotoff <https://github.com/tkrotoff>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'statuses' {
+    interface Status {
+        [code: number]: string;
+        [msg: string]: any | number;
+
+        codes: Array<number>;
+        redirect: {[code: number]: boolean};
+        empty: {[code: number]: boolean};
+        retry: {[code: number]: boolean};
+
+        (code: number | string): number;
+    }
+
+    var status: Status;
+    export = status;
+}