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My 50 cents: Google Visualization\Charts. Pros: Free Quite easy to use Charts look great Cons: Image size is limited. Some tools (like Drastic Treemap) are buggy.

There are a number of different JavaScript based toolkits, in addition to the Google Visualization and Charts APIs. I find Protovis (which SVG based) to be an excellent middle-ground between toolkits that are too low-level that they're laborous and painful to get going, and too high-level that every chart looks too similar. The JIT is a Canvas-based ...

Maybe this is what you need? What is the Google Chart API? The Google Chart API lets you dynamically generate charts with a URL string. You can embed these charts on your web page, or download the image for local or offline use.

See this thread on plotting map points from excel entries. This should allow you to take addresses from a file (eg spreadsheet) and plot them on a map. http://productforums.google.com/forum/#!topic/maps/baw9A5LuS3o http://batchgeo.com/ is an example from this list, it allows you to paste address-related cells to plot.

Well I did try all kinds of searches before asking here and came up with nothing. But I kept trying more searches after asking and I think I found exactly what I wanted, in fact the second kind I asked for: batchgeo Here's their input screen: And here's the map I made with it for an answer on another Stack Exchange site:

I was about to suggest Swivel, but they went out of business. However, that article led me to Many Eyes. It looks like it's a product of IBM research that may fit your needs: On Many Eyes you can: View and discuss visualizations View and discuss data sets Create visualizations from existing data sets If you register, you can ...