Free graph and chart editor

runs on Linuxruns on Macruns on Windows
screenshot of yEd

There's nothing like a pile of indecipherable data. Whether it's a log of visitors to your website, or fluctuations in the price of tea in China, just having a bunch of numbers doesn't really help you to analyze and understand the world around you—or at least it doesn't without giving it some serious thought. Sometimes it's a lot more helpful if you can look at things graphically as a flowchart, bargraph, or in some other right-brain-friendly medium. It's easier to spot trends, for example, if you see a line sloping upward (hooray!) or downward (oops!), than just a jumble of digits.

If you're tying to gain mastery of your data, a tool like yEd might be your ticket home. It supports oodles of different layouts and and symbols, so there's bound to be a way you can make your data talk to you. It's easy to work with, as you can rearrange all the tools and palettes to make sense for your work style. And you can export your results into a bunch of different bitmap and vector formats, suitable for including in reports or posting on the web.

yEd is a Java application. If you've got the right JRE on your machine, it'll run anywhere, including Windows, Mac, Linux, and more. For some of these, it'll work even if you don't have the right runtime, since it's included with the download. Sweet!

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