Reading the comments, I get the impression that many people are somewhat lacking perspective. I've been writing software professionally for more than 25 years,

Reading the comments, I get the impression that many people are somewhat lacking perspective. I've been writing software professionally for more than 25 years, > 30 years in total. gnuplot has been around all that time. Developed in an academic environment, people probably (certainly) had other things to do than argue about name comparisons to other projects. And nobody cared. There are things that are not an invariant of time. And frankly - open source along with the ideological battle over it is certainly one of those things. There were times with a much healthier way of dealing with zealots (Oh, this will cost me karma, but fortunately I don't care :-)