Rong Chang's ESL - Decent ESL websites collection grouped by category.

English4u - Offer English grammar explanations with lots of exercises (3levels), crosswords, quizzes and irregular verbs trainer for ESL students.

ESL go.com - English learning + teaching ESL - Offers free English grammar and vocabulary classes based on interesting topics like sports, Harry Potter, the stock market, music and more.

Nonstop English - Loads of interactive exercises online to practice your English.

Using English - English Language (ESL) Learning Online.

a4esl.org - Activities for ESL Students

manythings.org- Interesting Things for ESL Students

English Specialist - Offer free exercises, worksheets, texts, topics, grammar, etc. for ESL students and teachers.

Volterre-Fr - English and French language learning resources.

TESall.com - Search portal for ESL/EFL job seekers.

Global English - Professional Courses in TEFL by Distance Learning.

TESall.com - Search portal for ESL/EFL job seekers.

Everyday English - Everyday English, listen and learn the tricky parts of English.

Tower of English - Many interesting links for ESL students and teachers.

TESOL Course & Training - Offers online TEFL course and TEFL certification. Also provides TESOL course and TESOL certification with online training and job help.

Certificate in Teaching English to Speakers of Other Languages (TESOL) - Offers Certificate in Teaching English to Speakers of Other Languages (TESOL) internationally including Madrid, Prague, Barcelona and Seville.