Academic licenses are restricted to teaching and academic research purposes only. They are available to: Educational Institutions, Teachers, Faculty and Staff, Students, Public Libraries and other entities qualifying for the Academic program.
You're both a developer and a content author. You need the complete XML development features and the visual XML-editing mode.
The upgrade can be purchased to bring up-to-date an older version of the same product type (Developer/Author/Editor), edition (Professional/Enterprise) and license model (user-based/floating).
It provides unlimited technical support and allows you to upgrade to all oXygen versions, either minor or major that are released within one year from the purchase date, at no additional cost. The Support & Maintenance Pack Renewal can be bought only within a period of 14 days after a previous Support & Maintenance Pack has expired, or bundled with a new license. One Support & Maintenance Pack license covers one license of oXygen.
The oXygen subscription license model allows you to use the application for 1 year. The benefits of this model are that you will have access to the full set of features for the corresponding oXygen product. The licenses are user-based and covered by a Support and Maintenance Pack so during the subscription period you will get free upgrades to all major and minor releases.