If you must use newer design tools but target a 3.7.6 environment, Jaspersoft Studio includes a compatibility mode that allows you to save reports in the older format.
You can run multiple versions of iReport on the same machine, though they will typically share the same configuration files. Transitioning to Jaspersoft Studio
Windows users (specifically Vista and later) should prioritize JDK 1.6 for stability. jaspersoft ireport designer 3.7.6 download
Jaspersoft Studio is the current official design client.
Released in November 2010, this version was designed to simplify complex report creation through a visual GUI, saving developers from manually writing XML code. If you must use newer design tools but target a 3
Create layouts with charts, sub-reports, crosstabs, and images.
Connect via JDBC, XML, JavaBeans, Hibernate, and CSV. Jaspersoft Studio is the current official design client
Look for iReport-nb-3.7.6-windows-installer.exe to install it as a native application.