There is something unique for me about XMap.
We first used XMap back in 2007 and we're still running XMap on OSTraining.com in 2015.
I can't think of very few other Joomla extensions that have been so useful for so long. We hope we're able to use XMap for a long time to come.
But, XMap development isn't moving forward. The last major release was version 2.3 back in 2012. The last minor update was in the summer of 2013.
We'd love to help move XMap forward.
We think it could be combined with OSMeta to make an excellent set of SEO tools for Joomla. We have the developers needed to make this happen, and quickly.
Over the last few months we've tried contacting Guillermo, the developer of XMap, but we've heard no response. We tried reaching out via all the official sites we could find: