Tivisha Sinha contributed to the EbookFoundation/free-programming-books repository by expanding its resource library and improving content quality. She curated and integrated five new programming resources, including materials for Yii, Sage, ColdFusion, GraphQL, Android, and Solaris DTrace, enhancing the breadth and relevance of the collection. Using Markdown for documentation and git-based workflows, Tivisha managed content updates through issue-driven development and descriptive commit messages, ensuring traceability and maintainability. She also addressed quality concerns by removing a faulty Hindi PHP tutorial and updating ColdFusion links. Her work demonstrated disciplined content management, resource curation, and collaborative documentation practices within an open-source environment.