Contributed to the jaywcjlove/awesome-mac open source repository by enhancing the Markdown Tools Catalog, specifically adding Scratch, an offline-first markdown notes application featuring WYSIWYG editing and local AI agent support. Focused on improving documentation quality and tool discoverability, the update provided detailed descriptions to help users identify privacy-preserving markdown solutions. The work was implemented using Markdown, leveraging skills in documentation and open source development to ensure clarity and completeness in the README tool listings. No bugs were addressed during this period, with efforts concentrated on feature enhancement and catalog accuracy to support the needs of the open source community.