think-cell
think-cell is an add-in for Microsoft PowerPoint and Excel, which facilitates quick creation of complex charts, such as waterfalls, Marimekkos and Gantts. It also provides a set of tools to structure and maintain agendas within Microsoft PowerPoint presentations.

For detailed information on think-cell’s capabilities visit www.think-cell.com.

Usage Terms
think-cell offers their software for free to academic and nonprofit organizations through their Academic/Nonprofit Partners Program.