Onestopenglish.com, from Macmillan, features a free resources area, giving you access to free downloadable general English and business English materials, plus professional support, cultural information and links to all the Resource Sites, Macmillan's course-specific web sites.
A comprehensive site that offers teachers resources, ranging from teaching ideas, discussion bulletin boards for exchanging ideas and needs, idioms, dictionaries, phrasal verb practice, and pronunciation