2. [Fusion Charts API](http://www.yiiframework.com/extension/fusion-charts-extension/) Extension - Create and share Charts
3. [Flot](http://www.yiiframework.com/extension/flot/) - EFlot plotting library encapsulation
4. [Jqplot](http://www.yiiframework.com/extension/jqplot/) - extension of jqplot for charts
5. [Cvisualizewidget](http://www.yiiframework.com/extension/cvisualizewidget/) - This widget makes it easy to render charts and graphs within your web application by utilising the visualize jQuery plugin.

**Printing, generating pdf, xls, cvsv etc. with Yii:** 1. Generating PDF with - [tcpdf](http://www.yiiframework.com/extension/tcpdf/) *needs to be rechecked as it does not work properly...* 2. Simple Yii extension [printout](http://www.yiiframework.com/extension/printout) for .datagrid and other .css elements printing 3. Yii CVSV generator [cvsvout](http://www.yiiframework.com/extension/csvout/) *See installation [issues](http://www.yiiframework.com/forum/index.php?/topic/4213-csvout-install-problem/)*
4. Generating PDF with [pdflib](http://www.yiiframework.com/forum/index.php?/topic/6810-pdf/).
5. [phpexcel-codeplex](http://www.yiiframework.com/extension/phpexcel-codeplex/) by sharehua

**Additional data generation, aggregation, grouping extensions and methods:**