The program RLPlot and the NCES.ed.gov online tool can create bar graphs and are easy to use. RLPlot is a free educational program for creating graphs of different kinds. The National for Education Statistics provides an online, browser-based educational tool for creating graphs.
RLPlot is an open source software for creating graphs. Users introduce the data in a spreadsheet and can generate different kinds of graphs and export them to image formats such as SVG, PNG and JPG. Users can customize the colors of the graph. It is available both for Windows and Linux. The NCES.ed.gov online tool has two modalities: normal and classic. The classic version is more basic, so it is more suitable for younger students. The normal version allows users to choose among a variety of graph types and templates, and to set the data. Users may save the created graphs in PDF format, as well as in some image formats.