Aspose.Pdf is a Java Pdf component to write Pdf documents without using Adobe Acrobat and supports: Document & Page properties, Text, Headings, Tables, Images, Hyperlinks, Support for DOM, HTML/CSS into Pdf, Pdf creation by API, XML and XSL-FO files.
Downloads: 32271 - Shareware - Download Now

Charting library for Android platform, written in native Android Java and supports most teechart series types including pie chart, line chart, points, area, bar, gauges and maps and 2D, 3D formats.The Charting library includes 100% native Java code.
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The Java Excel Connector (JEC) allows Java developers to access the Excel application, read, create or modify Excel workbooks and charts.
Downloads: 32272 - Demo - Download Now

Calendar Date Picker is a ready to use product. All you`ll need is just to add the date picker into your web application and it will work. No configuration is needed. It also gives you all the ability you need for developing the most complex modules.
Downloads: 31705 - Shareware - Download Now

JTree is a professional Java tree menu applet with XML support, dynamical loading, cross-browser/multiplatform compatibility and powerful client-side API. This component is highly useful for representation of structured data.
Downloads: 32316 - Shareware - Download Now