Sites

• AdeptEnglish.com
• BBC Learning English
  
• doingenglish.com
• ConvoEnglish 
• Dictionary.com
• elllo.org
• engVid. Free English Video Lessons
• Deep English
• Learning English for Curious Minds
• La Mansión del Inglés
• Letras en Inglés
• News in levels
• Perfect English
• Resources for learning English (EF)
• Synonyms. (Thesaurus.com)
• Splendid Speaking. Speaking Skills for advanced learners of English 
• US Using English
• Wordreference.com