diff --git a/jsnlog/jsnlog-tests.ts b/jsnlog/jsnlog-tests.ts
new file mode 100644
index 000000000..dfb32a6c8
--- /dev/null
+++ b/jsnlog/jsnlog-tests.ts
@@ -0,0 +1,80 @@
+/// <reference path="jsnlog.d.ts" />
+
+// ----------------------------------------------------------
+// JL
+
+var traceLevel: number = JL.getTraceLevel();
+var debugLevel: number = JL.getDebugLevel();
+var infoLevel: number = JL.getInfoLevel();
+var warnLevel: number = JL.getWarnLevel();
+var errorLevel: number = JL.getErrorLevel();
+var fatalLevel: number = JL.getFatalLevel();
+
+JL.setOptions({
+		enabled: true,
+		maxMessages: 5,
+		defaultAjaxUrl: '/jsnlog.logger',
+		clientIP: '0.0.0.0',
+		requestId: 'a reuest id',
+		defaultBeforeSend: null
+});
+
+// ----------------------------------------------------------
+// Ajax Appender
+
+var ajaxAppender1: JSNLog.JSNLogAjaxAppender = JL.createAjaxAppender('ajaxAppender');
+
+ajaxAppender1.setOptions({
+		level: 5000,
+		ipRegex: 'a regex',
+		userAgentRegex: 'a user agent string',
+		disallow: 'regex matching suppressed messages',
+		sendWithBufferLevel: 5000,
+		storeInBufferLevel: 2000,
+		bufferSize: 10,
+		batchSize: 2,
+		url: '/jsnlog.logger',
+		beforeSend: null
+});
+
+// ----------------------------------------------------------
+// Console Appender
+
+var consoleAppender1: JSNLog.JSNLogConsoleAppender = JL.createConsoleAppender('consoleAppender');
+
+consoleAppender1.setOptions({
+		level: 5000,
+		ipRegex: 'a regex',
+		userAgentRegex: 'a user agent string',
+		disallow: 'regex matching suppressed messages',
+		sendWithBufferLevel: 5000,
+		storeInBufferLevel: 2000,
+		bufferSize: 10,
+		batchSize: 2
+});
+
+
+// ----------------------------------------------------------
+// Loggers
+
+var logger1: JSNLog.JSNLogLogger = JL('mylogger');
+
+var exception = {};
+
+logger1.trace('log message').debug({ x: 1, y: 2});
+logger1.info(function() { return 5; });
+logger1.warn('log message');
+logger1.error('log message');
+logger1.fatal('log message');
+logger1.fatalException('log message', exception);
+logger1.log(4000, 'log message', exception);
+
+logger1.setOptions({
+		level: 5000,
+		ipRegex: 'a regex',
+		userAgentRegex: 'a user agent string',
+		disallow: 'regex matching suppressed messages',
+		appenders: [ ajaxAppender1, consoleAppender1 ],
+		onceOnly: [ 'regex1', 'regex2' ]
+});
+
diff --git a/jsnlog/jsnlog.d.ts b/jsnlog/jsnlog.d.ts
new file mode 100644
index 000000000..6b6980165
--- /dev/null
+++ b/jsnlog/jsnlog.d.ts
@@ -0,0 +1,116 @@
+// Type definitions for JSNLog v2.11.0+
+// Project: https://github.com/mperdeck/jsnlog.js
+// Definitions by: Mattijs Perdeck <https://github.com/mperdeck>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+// -------------------------------
+// Full documentation is at 
+// http://jsnlog.com
+// -------------------------------
+
+/**
+* Copyright 2015 Mattijs Perdeck.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+// Declarations of all interfaces and ambient objects, except for JL itself.
+// Provides strong typing in both jsnlog.ts itself and in TypeScript programs that use 
+// JSNLog. 
+
+declare module JSNLog {
+
+	interface JSNLogOptions {
+		enabled?: boolean;
+		maxMessages?: number;
+		defaultAjaxUrl?: string;
+		clientIP?: string;
+		requestId?: string;
+		defaultBeforeSend?: (xhr: XMLHttpRequest) => void;
+	}
+
+	interface JSNLogFilterOptions {
+		level?: number;
+		ipRegex?: string;
+		userAgentRegex?: string;
+		disallow?: string;
+	}
+
+	interface JSNLogLoggerOptions extends JSNLogFilterOptions {
+		appenders?: JSNLogAppender[];
+		onceOnly?: string[];
+	}
+
+	// Base for all appender options types
+	interface JSNLogAppenderOptions extends JSNLogFilterOptions {
+		sendWithBufferLevel?: number;
+		storeInBufferLevel?: number;
+		bufferSize?: number;
+		batchSize?: number;
+	}
+
+	interface JSNLogAjaxAppenderOptions extends JSNLogAppenderOptions {
+		url?: string;
+		beforeSend?: (xhr: XMLHttpRequest) => void;
+	}
+
+	interface JSNLogLogger {
+		setOptions(options: JSNLogLoggerOptions): JSNLogLogger;
+
+		trace(logObject: any): JSNLogLogger;
+		debug(logObject: any): JSNLogLogger;
+		info(logObject: any): JSNLogLogger;
+		warn(logObject: any): JSNLogLogger;
+		error(logObject: any): JSNLogLogger;
+		fatal(logObject: any): JSNLogLogger;
+		fatalException(logObject: any, e: any): JSNLogLogger;
+		log(level: number, logObject: any, e?: any): JSNLogLogger;
+	}
+
+	interface JSNLogAppender {
+		setOptions(options: JSNLogAppenderOptions): JSNLogAppender;
+	}
+
+	interface JSNLogAjaxAppender extends JSNLogAppender {
+		setOptions(options: JSNLogAjaxAppenderOptions): JSNLogAjaxAppender;
+	}
+
+	interface JSNLogConsoleAppender extends JSNLogAppender {
+	}
+
+	interface JSNLogStatic {
+		(loggerName?: string): JSNLogLogger;
+
+		setOptions(options: JSNLogOptions): JSNLogStatic;
+		createAjaxAppender(appenderName: string): JSNLogAjaxAppender;
+		createConsoleAppender(appenderName: string): JSNLogConsoleAppender;
+
+		getTraceLevel(): number;
+		getDebugLevel(): number;
+		getInfoLevel(): number;
+		getWarnLevel(): number;
+		getErrorLevel(): number;
+		getFatalLevel(): number;
+	}
+}
+
+declare function __jsnlog_configure(jsnlog: JSNLog.JSNLogStatic): void;
+
+
+// Ambient declaration of the JL object itself
+
+declare var JL: JSNLog.JSNLogStatic;
+
+
+
+