是否有任何適用於Linux的報告解決方案？

我需要一個等效的Microsoft Reporting Service，它適用於Linux。
免費或現金。當然最好是免費的。

要求：

WYSIWYG Report Editor (for developer, don't care if that part only works on windows) 
Ability to dynamically generate reports from the web 
Usage of one or multiple database types (like MySQL, PostGre, Oracle, ODBC) 
multiple file formats support (including HTML) 
support for graphs/charts 
scalable

什麼possiblilities？

來源

2011-09-01 Stefan Steiger