JavaCPP and the JavaCPP Presets state: "You may use this work under the terms of either the Apache License, Version 2.0, or the GNU General Public License (GPL), either version 2, or any later version, with "Classpath" exception." Setliner uses them under the Apache License 2.0 (licenses/apache-2.0.txt), and not under the GPL.

The JavaCPP Presets supply the Java classes inside the Tesseract and Leptonica entry; they are on the same terms.