java开源图标库

13. Are there other "open source" chart libraries?

Yes. If JFreeChart doesn't meet your requirements, try one of the following free/open source alternatives:

• the JCCKit project (LGPL);
• the QN Plot project (BSD);
• the OpenChart2 project (LGPL);
• the PtPlot project (UC Berkeley copyright);
• the JRobin project (LGPL);
• the Java Chart Construction Kit (LGPL, works with JDK 1.1.8);
• the JOpenChart project (LGPL);
• the jCharts project (BSD-style);
• the JChart2D project (LGPL);
• the Chart2D project (LGPL);
• the ThunderGraph project (LGPL);
• the E-Gantt project (Q Public License);
• the MagPlot project (GPL) previously at https://magplot.dev.java.net/;

Some of the listed projects may not be active anymore.