British Council Learn English Page – find practice exercises and schools or teachers in your area.
BBC’s Online Learning English Page – the BBC’s page with a lot of accessible, handy exercises for practice.
Dave’s ESL Cafe – a one-stop resource for everything related to learning English as a Second Language.
The Internet TESL Journal – no longer publishing, but an enormous resource of information and links for learning and teaching English language.
Lesson Stream – collections of visual lesson plans in various topics
Breaking News English – English News Lessons in 7 levels with graded multi-level listening and variable scrolled-reading, and all-skills activities.
One Stop English – a site with over 9,000 resources, including lesson plans, worksheets, audio, video and flashcards
Teacher Training Videos – teacher training videos and more by Russell Stannard
200 Free Cover Letters – a horde of templates for cover letters, a great starting point for any correspondence writing.
ICALTEFL’s Lesson Plans – a collection of lesson plans and activities to help with studying English in the classroom.