ESL Resources

For students:

http://www.lingq.com/ (LingQ)

For teachers:

http://www.teachingenglish.org.uk/ (British Council)
http://www.onestopenglish.com/ (MacMillan)
http://www.pearsonelt.com/pearsonelt/classroomresources/index.page (Pearson)
http://www.cambridge.org/vn/elt/teachers/?site_locale=vi_VN (Cambridge)

Misc:

http://www.fluentin3months.com/about/