Gatsby and Storybook serve as complementary tools for documenting and developing design systems, with Gatsby offering the flexibility needed for long-form content and holistic design guidelines while Storybook excels in component development and testing. Various teams, such as those from Thumbtack, Capital One, and IBM, have utilized these tools in different ways to manage their design systems effectively. Thumbtack has integrated everything within Gatsby for a unified approach, whereas Capital One uses Gatsby for overarching documentation and Storybook for component specifics. IBM employs Gatsby as a core component of its Carbon Design System, facilitating contributions from both technical and non-technical team members and enabling the creation of a Gatsby theme for widespread internal use. These case studies highlight Gatsby's adaptability and strength in supporting evolving design systems within diverse organizational structures.