Dave’s ESL Café
Help with idioms, slang, punctuation, and grammar with links to other ESL web sites and tutor discussion board.
Tower of English
This resource guide is for students and teachers of English. There are about three dozen interest categories and several hundred Web sites in an A-Z list that use "endless games and fun activities to catch the interest and imagination of ESL students," while practicing the use of the English language. Many sites include interaction in foreign languages.