I have worked out a number of things that Excel can assist with in Digital Marketing, for research, insights, and analysis along with simplifying reporting without sending your costs through the roof.
Off the back of what I know, I will be releasing free digital marketing tools for you to use. Whilst most of these will revolve around SEO (because SEO is bloody awesome!) there will be plenty of tools that you can use for whatever you want. Use your imagination.
A basic reporting dashboard with Google Analytics data Check it out here.