Highlight Engineering has successfully fostered a thriving open-source community by taking strategic steps to support and encourage external contributions. After open-sourcing their project, they have seen significant engagement, including a developer creating a fully-featured Java SDK, complete with CI setup, documentation, and tests. To facilitate contributions, Highlight publicly documents everything on GitHub, uses clear labeling for issues, and engages the community through open discussions and Requests for Comments (RFCs). They also focus on optimizing the developer experience with a refined Docker setup and provide a dedicated communication channel for contributors. Highlight prioritizes customer feedback, utilizing their Discord community for communication between users and engineers, which helps improve the product collaboratively. By treating external contributors as integral parts of their team, Highlight has built a powerful and diverse group that continuously enhances their platform.