I wrote it myself. One of my key features has always been that everything is streaming (unless it's algorithmically impossible, like Sort), and I couldn't find

I wrote it myself. One of my key features has always been that everything is streaming (unless it's algorithmically impossible, like Sort), and I couldn't find any Mac charting widget that supported streaming input. That's why its feature set is rather minimalist. I'm not opposed to using a third-party charting library, if there's a good one that supports what I need, but at the time I wrote that, there wasn't.