I'm not sure that I completely understand what you want to measure, there could be some tools for measuring the ROI on your email campaign, on your link campaign, social media campaign, banner campaign but I don't know if there is a tool for all of them in one as every one of the above uses different metrics.
Excel has great potential, here are some articles to use excel the way you never though of (It says that using excel for seo, but the techniques can be applied to any other measurable vertical