Merriam-Webster dictionary & thesaurus site http://www.m-w.com
3-Dimensional words http://www.visuwords.com
Rhyming dictionary & thesaurus http://www.rhymezone.com
Bibliography format (MLA & APA styles) http://www.noodletools.com
Newbery Medal winners and Newbery Honor book lists http://www.ala.org/ala/alsc/awardsscholarships/literaryawds/newberymedal/newberymedal.cfm