Oracle's Hyperion Planning is a web-based planning and budgeting tool that uses Oracle Essbase for data storage and calculations. It provides powerful forecasting, budgeting, reporting, and analysis capabilities. Hyperion Planning contains process guidance for users and integrates with Microsoft Office. It is part of Oracle's Hyperion EPM suite and often used with other Hyperion products. Key features include multi-dimensional planning, workflow management, Microsoft Office integration, reporting and dashboards, and integration with ERP systems.