ZenTao�is an open-source project management software, developed by Qingdao Nature Easy Soft Network Technology Co. Ltd. Its main features are product management, project management, QA management, document management, bug management, and todo management. It is a professional Application Lifecycle Management(ALM), covering the core process of software development. It also has powerful search features, various forms of statistical reports, and a complete API. ZenTao also has Professional and Enterprise versions with additional features.