Which license is right for me?

Ghostscript is available under both an Open Source AGPL license and Commercial license. Please visit artifex.com/licensing/ to understand the differences in these licensing agreements, or to acquire a commercial license.

	GNU Affero General Public License	Artifex Commercial License
MuPDF 1.13.0 for Windows 32 bit	MuPDF AGPL Release	MuPDF Commercial License
MuPDF 1.13.0 for Android	MuPDF on Google Play	MuPDF Commercial License
MuPDF 1.13.0 Source for all platforms	MuPDF AGPL Release Note 1	MuPDF Commercial License

Old releases available here: http://mupdf.com/downloads/archive