For example, for personal use, use without redistribution, and use with no technical support the GNU Affero General Public License (AGPL) download is your choice.
If you are unwilling/unable to abide by the terms of the AGPL (for instance, if you wish to redistribute these software packages
or derivations thereof commercially), or if you wish to pay for technical support, you will need to acquire a commercial license from Artifex.
If you are unsure of whether you can use the GPL release, or require a commercial license, you can contact: Artifex Sales
GNU Affero General Public License
Artifex Commercial License
|MuPDF 1.2 for Windows 32 bit||MuPDF GPL Release||MuPDF Commercial License|
MuPDF 1.2 for Android
||MuPDF on Google Play||MuPDF Commercial License|
MuPDF 1.2 Source
for all platforms
|MuPDF GPL Release Note 1||MuPDF Commercial License|
Old releases available here: http://mupdf.com/download/archive