Developer's Manual is an application designed to provide comprehensive insights and documentation for selected applications. It displays all selected applications with creator info, descriptions, modules, and extensions. The application offers counts and details of all tables/entities, featuring graphs and tables, and provides analytical reports of users with a donut chart of user counts by role and user details. It also includes a report on site properties, showing a donut chart and a table with default and current values, and a timers report with a donut chart and timer details. The publish information section lists application versions, publish details, and dates. It also displays module dependencies with options to view detailed producer and consumer elements, and shows the status of applications across different environments. Developer's Manual helps users efficiently manage and document their applications with detailed analytics and reporting.