Downloading JasperAssistant 3.1.1 for Mac from our website was free. This Mac application is a product of Peter Severin. The software lies within Developer Tools, more precisely Debugging Tools.
From the developer:
JasperAssistant is a visual report designer for JasperReports, a popular open-source reporting engine. It is built on top of the Eclipse's plug-in architecture and its main goal is to help you create JasperReports report definition files through an intuitive graphical interface.
You may want to check out more Mac applications, such as eclipse-php, Prototypes or KBSwitch, which might be similar to JasperAssistant.