IBM Worklight is described as 'Worklight helps you build, test, and deploy native, HTML5, and hybrid mobile apps for Android, iOS, BlackBerry, and Windows Phone devices. The free Worklight Developer Edition gives you tools and an app server—in an easy-to-install Eclipse plugin' and is an app in the Development category. There are more than 25 alternatives to IBM Worklight for a variety of platforms, including Windows, Android, iPhone, Online / Web-based and Mac. The best alternative is Qt Creator, which is both free and Open Source. Other great apps like IBM Worklight are Apache Cordova (Free, Open Source), B4X (Freemium), Appcelerator Titanium (Free, Open Source) and WebDGap (Free, Open Source).