In recent releases the third-party jars in the lib folder are not distributed, they need to be download from public repositories, see distributed
pom.xmlfor dependencies. Maven can be used to retrieve all dependencies including the transient ones in the target/dependence folder.
Jaspersoft Studio is the official design client for JasperReports--built on the Eclipse platform--to replace iReport Designer.
iReport Designer is the previous report designer for JasperReports. Version 5.6.0 (released in May of 2014) was the last official version; vendor support ended at the end of 2015.