I would like to learn about the leading demand planning tools that organizations use to forecast customer demand, optimize inventory levels, and improve supply chain planning across industries such as retail, manufacturing, and e-commerce. Which platforms—such as SAP Integrated Business Planning (IBP), Oracle Demand Management Cloud, Blue Yonder, Kinaxis RapidResponse, o9 Solutions, ToolsGroup SO99+, Logility Demand Planning, Netstock, Forecastly, and Slimstock Slim4—are widely used for demand forecasting, sales and operations planning (S&OP), inventory optimization, and AI-driven analytics, and what important factors like forecast accuracy, integration with ERP systems, collaboration features, scenario modeling, reporting dashboards, scalability, and ease of deployment should organizations consider when evaluating demand planning software for small businesses, mid-market companies, and large enterprises?