A seasoned GitHub user shares productivity tips and tricks to enhance the GitHub experience, emphasizing the use of tools like Magic Markdown tables for easy table conversion and efficient bug-fixing methods on corporate websites. They highlight the importance of using GitHub notifications as a primary communication tool over email for better transparency and collaboration. To streamline workflow, the author has developed Chrome extensions such as Markwrap for quick markdown linking, GitHub Red Alert for notification alerts, and GitHub Open All Notifications for managing pending tasks. Additionally, they use GitHub Projects to manage a personal and professional to-do list, and recommend utilizing semantic navigation for a quick overview of code review complexity. Encouraging community engagement, the author invites others to share their GitHub productivity tips on social media.