Cambridge English Teacher is a new resource for professional development from Cambridge University. You can register as a guest for free or sign up to be a full member. Click here to vist the site http://www.cambridgeenglishteacher.org/ As a guest you have access to a limited number of articles and webinars. You can also join discussion forums and do a 5-hour online grammar/language awareness course (which may well be useful for teachers who have QTS but do not hold CELTA or Trinity CertTESOL).
Membership curently costs £28 and includes a year’s subscription to English Teaching Professional magazine, access to a range of articles and webinars from English language professionals such as Seth Lindstromberg, and 10 hours of online professional development. In addition you can buy online courses such as teaching Young Learners, IELTS and Vocabulary and Pronunciation. You can see a sample of a course before purchasing.
I haven’t tried any of the courses so if you have please let us know if you feel they were worth the money.