By all means, feel free to leave a comment if you have found any other useful website not included in the list. Thank you!
- BBC Learning English: in this website you may find help with grammar, vocabulary and pronunciation with plenty of references to current events.
- ESL Gold: Absolutely "golden"!
- New English File Online: Select your level and the content you want to practise (grammar, vocabulary, pronunciation, tests).
- Mansión Inglés: a very comprehensive website. Check it out!
- Using English: you'll find an incredible collection of tools and resources, especially for grammar.
- World English: exercises and tests on grammar, vocabulary, pronunciation, reading, writing, etc.
- Adele's Corner: grammar, listening and vocabulary for Basic and Intermediate levels.
- Ego4u: Plenty of resources, especially for Basic and Intermediate levels.