JFreeChart is a free (LGPL) chart library for the Java(tm) platform. It supports bar charts, pie charts, line charts, time series charts, scatter plots, histograms, simple Gantt charts, Pareto charts, bubble plots, dials, thermometers and more.
- extensive set of 2D charts
- zooming and panning
- export to PNG, SVG, PDF
- mature and stable API
- great community support
Free library without free manual or examples.
very good app. do what it is asked for. many options available.