jfreechart

Free Java class library for generating charts

JFreeChart is a free Java class library for generating charts, including: * pie charts; * bar charts (regular and stacked, with an optional 3D effect); * line and area charts; * scatter plots and bubble charts; * time series, high/low/open/close charts and candle stick charts; * combination charts; * Pareto charts; * Gantt charts; * wind plots, meter charts and symbol charts.