Graphs Made Easy (GME)
http://www.graphsmadeeasy.com/

Graphs Made Easy (GME) is an easy way to make great looking graphs in minutes. The traditional approach of spreadsheets and data grids is replaced with simplified data entry. GME Basic is freeware. An inexpensive upgrade to GME Standard unlocks enhanced graphics features. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.