http://www.esl-lab.com/ 

This is a very interesting website where you can find several information about teaching and learning Enlish, it has listening quizes for different levels.


http://www.bbc.co.uk/worldservice/learningenglish/

In this page you can find general and business english, including grammar, vocabulary and pronuntiation. It is a very useful tool for teachers also, to find some activities for the students.

http://www.esl-galaxy.com/

This is a very useful page for teachers where you can find English lessons for kids, ESL Lesson Plans, materials and many activities.