Sinister plots

I have been monitoring a message system for a while. I have 1000 data samples, each sample has a timestamp and a message count at that point in time. The count is ever-increasing. Can you recommend a tool to produce an interesting, pretty graph that shows activity over time? I'm familiar with gnuplot but don't like the output or the user interface much.

Comments

I have put together a graphing system with cl-2d at work. cl-2d isn't the most documented, but the code is very clear.
I'm hoping for something more polished, where I could feed in the data file, twiddle a couple things, and get a nice result.

September 2014

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