In this post, the author takes a closer look at the top ten emerging open-source tools right now, including tools for testing, development, prototyping, and more.
eXist-db is an open source database management system built using XML technology. It stores XML data according to the XML data model and features efficient, index-based XQuery processing.
M. Palmieri, I. Singh, and A. Cicchetti. Intelligence in Next Generation Networks (ICIN), 2012 16th International Conference on, page 179-186. (October 2012)