Excel Multi-Project Gantt Chart Plan

I’m coordinating several parallel projects and need a single, easy-to-maintain timeline that shows every task, its owner and all task-to-task dependencies. The entire schedule must live in Microsoft Excel so I can share it freely inside the company without additional software... (Budget: $30 - $250 USD, Jobs: Data Analysis, Data Processing, Data Visualization, Excel, Excel Macros, Excel VBA, Project Management, Visual Basic, Visual Basic for Apps, Workflow Automation)