Hi, page https://cwiki.apache.org/confluence/display/SPARK/Powered+By+Sparksays I need write here, if want my project to be added there.
In Yandex (www.yandex.com) now we using spark for project Yandex Islands ( http://www.searchenginejournal.com/yandex-islands-markup-issues-implementation/71891/). We process islands which come from search robot with spark. -- *Sincerely yoursEgor PakhomovScala Developer, Yandex*