Yes, it is open-source under the LGPL license. You do not need a commercial license for the Studio itself.
What (MySQL, PostgreSQL, Oracle, etc.) will you connect to your reports? tibco jaspersoft studio 66 0 download link
Choosing the right reporting engine and layout manager is critical for Java enterprise applications requiring pixel-perfect documents. Below is an in-depth guide covering features, installation steps, database configurations, and upgrade paths for TIBCO Jaspersoft Studio 6.6.0. Key Features of Jaspersoft Studio 6.6.0 Yes, it is open-source under the LGPL license