wxFreeChart is a software/library framework based on wxWidgets for drawing charts. It has a Model-Controller-View design and it can draw the following chart types: line/point/area charts based on XY coordinates, bar charts, stacked bar charts, layered bar charts, OHLC bar and candlestick financial charts, pie charts, bubble charts. wxFreeChart has advanced features, like: data markers, various data access helper classes, legend, various axis types.