• van Dale – A good on-line dictionary
• woordenlijst.org – A list of words and grammar forms.
• dutchgrammar.com – Dutch grammar resource.
• Advanced Dutch grammar – Another Dutch grammar resource.
• nl.spellcheck.cc – Dutch spell checker.
• dwotd.nl – “Dutch Word of The Day” (another one). Great source of spoken language.
• tatoeba.org – Multilingual collection of sentences. Has a great set of sentences in Dutch,  translated into multiple languages

TV online in Dutch:

• www.rtvnh.nl/live/tv – RTV N-H
• www.at5.nl/live – AT5
• mediaplayer.rtvutrecht.nl/stream/livertvutrecht – RTV Utrecht
• More chanels: watch.squidtv.net/europe/netherlands.html