This document provides an overview of open P2P design processes and methodologies. It begins with background on concepts like crowdsourcing, web 2.0, open source software development and their relation to design. It then discusses open design projects and the current status of open design. The document proposes that open P2P design can be used to design open, collaborative projects and processes. It presents open P2P design as a metadesign approach that can be used to design the tools, processes and systems for open design projects. Finally, it provides examples of using an open P2P design process, including activity analysis and system mapping tools.