During October 2024, Dariusz Zbyrad contributed to the ebookfoundation/free-programming-books repository by developing a Polish-language Embedded Programming Courses section, broadening access for Polish-speaking learners. He curated and localized educational resources, linking Arduino and STM32L4 courses to expand the repository’s curriculum. Dariusz applied content management and educational resource development skills, using Markdown for structured documentation and maintaining clear version-control practices with concise, traceable commit messages. His work addressed curriculum inclusivity and repository value, though the scope was focused on a single feature without bug fixes. The contribution demonstrated depth in localization and content curation, enhancing the repository’s accessibility and reach.