Now this is not something seen very often on FR. Self pinging for future reading.
http://jewsforjudaism.org/
https://outreachjudaism.org/
http://www.beingjewish.com/toshuv/
http://www.jewsforjudaism.ca/publications/books-booklets-—text-only/from-messianic-jew-to-counter-missionary