The Open-Source Ecosystem Toolkit is a collaborative effort designed to assist businesses in navigating the complexities of opening up their hardware design. It enables companies to define, prioritize, and assess the risks and opportunities associated with embracing open-source practices. By utilizing this toolkit, businesses can test and validate assumptions regarding their open-source offerings. Additionally, they can visualize their ecosystem comprehensively, mapping out customers, collaborators, offerings, and channels of exchange. Furthermore, the toolkit assists in defining customer segments, ranging from early innovators to mainstream target groups. Lastly, it enables businesses to explore potential contributors to their development endeavors and understand their roles in enhancing offerings and business growth.