Useful links for selfstudy
Lyricstraining.com Learn Dutch (or any other language) with the help of popular songs.
Learn Dutch with Niels! Online lessons, I use them for my lessons.
Learn Dutch with Bart de Pau Online lessons, I use these too.
Voorwaartz Online lessons, good material.
Ad Appel Basisexamen Inburgering Online material to help people to reach level A1.