NodeXL is a free, open-source template for Microsoft® Excel® 2007 and 2010 that makes it easy to explore
network graphs.
With NodeXL, you can enter a network edge list in a worksheet, click a
button and see your graph, all in the familiar environment of the Excel®
window. NodeXL includes automatic important support for social media such as twitter and facebook and for desktop email clients.
Here is a NodeXL example, related to evaluation.
- Twitter use of the hashtag #eval, February 2011
NodeXL may be downloaded at http://nodexl.codeplex.com/.