SDL XML Professional Publisher (XPP) is the best-in-class software for the most complex and demanding publishing requirements. An automated XML publishing engine, XPP delivers proven, scalable solutions for global leaders in the publishing, technical documentation, financial, government, high tech, aerospace and defense industries. XPP is a key component of some of the most sophisticated, high-production publishing systems in the world. Use XPP as a standalone solution, or integrate with SDL Contenta, SDL Trisoft  or other content management systems for an end-to-end XML publishing solution.