Meister provides and ecosystem of Plug-in activities to support a complete life cycle, from development to release. Pre-defined Plug-ins are provided for popular versioning tools, testing tools and development tools. Meister automates repetitive processes by reusing Plug-ins, thus improving productivity. Developers can use Meister Plug-ins to streamline their build-to-release Workflow without having to re-invent the wheel. Meister Plug-ins provide out-of-the-box integration of the check-in, check-out, and labeling functions; Bill of Materials, Differences, and Metrics reports; testing; deployment; and e-mail notifications. Plug-ins are flexible and can be customized by the user to fit any build-to-release requirement. For a complete list of pre-defined Plug-ins refer to the Plug-ins section of this guide.