I recommend...

Grammar web pages:

Englisch Hilfen

The Perfect Grammar


On You Tube:

Learn English with Let's Talk - Free English lessons


If you like singing:

Lyricstraining.com


English culture:

Short Video documentaries about Britain and the USA


Free Podcasts and video lessons:

TED-Ed lessons

Listen to English - Learn English!

Randall's ESL cyber listening lab

PDF with more listening resources

ESL video quizes

Learn with short film videoclips ( www.learnenglishfeelgood.com)

From busyteacher.com


Phrases and Vocabulary lists:

Speak English!


General:

Aprende mas inglés (Learn English pronunciation, grammar, vocabulary... from an American Teacher who lives in Madrid)

Aprende inglés con Sila (Just the other way round, a Spanish teacher's web who has lived in London)


Tests

Free online tests

Other webs i recommend

Project Based Learning - Edutopia

Technology Based Learning - Edutopia

Educational Technology and Mobile Learning

Google 4 teachers

I Pad resources