It's very easy to use, you can put your mouse anywhere within the graph area and drag in order to create shapes etc. You also have predefined graphs with lots of options which make it easier than other softwares I've tried so far! The interface is not very intuitive, but this should improve as more people use it. A few minor improvements regarding the "fill" functionality would be great. Also, when saving graphs for the next step, save them with the same name as the file you are working in (eg., you will lose your work if your graph has a slight different shape). You can choose which files you want to display as well as customize their size, color, and opacity from the right sidebar while editing. Efficient charting tool with a wide range of features, easy to use for beginners and experts alike. Very customizable and allows you to create charts in various shapes or sizes. The support team is also very helpful and responsive. Not much I dislike about it. Sometimes it's slow when loading large datasets. Otherwise, not really anything to dislike. It's a great tool if you want to make your own charts and graphs. We used it to create customized charts for our clients' presentations.