Open Source Licensing Basics Unlike many Open Source software projects, Ghostscript and MuPDF are owned and fully controlled by Artifex. Platform/License GNU Affero General Public License Artifex Commercial License Ghostscript 9.23 for Windows (32 bit) Ghostscript 9.23 for Windows (64 bit) Ghostscript 9.23 for Linux x86 (32 bit) Ghostscript 9.23 for Linux x86 (64 bit) Ghostscript 9.23 Source for all platforms NOTE: The Linux binaries are for testing/evaluation purposes only, they do not come as installers or installable packages. Please visit to understand the differences in these licensing agreements, or to acquire a commercial license. Which license is right for me? Ghostscript is available under both an Open Source and Commercial license.