- taalthuis.com - Free online courses, with lots of books - both vocabulary and grammar. A1-A2
- ned.univie.ac.at - Dutch course for beginners! This online language course is an experiment of the Wiener Nederlandistik. (Archived version on archive.org)
- unilang.org - Basic course with exercises
- oefenen.nl - for beginners - series for learning the language
- infos-fuer-alle.de - by P. Hobma. Provides a compact introduction to grammar and pronunciation. Lots of information on the Dutch language. Course content can also be downloaded as a PDF file.
- olat.ned.univie.ac.at - Explanations of grammar and pronunciation. Exercises. Registration via 'guest access'
- dutchgrammar.com - Grammar
- onlineklas.nl - Werkwoordoefeningen. Je stelt zelf in wat je precies wil oefenen. A1-C2
- cambiumned.nl - Werkwoordoefeningen. Tijden apart en gemengde oefeningen A1-C2
- taalblad.be - Het verbum
- taalblad.be - theorie en oefeningen
- grammaticatrainer.nl - Grammaticatrainer
- nt2taalmenu.nl - A1-A2
- users.telenet.be - Werkwoordspelling
- cambiumned.nl - B1-C2
- taalblad.be - theorie en oefeningen. A1-C2
- nt2taalmenu.nl - A1-A2
- users.telenet.be - A1-B2
- coutinho.nl - A1-A2
- coutinho.nl - A2-B2
- coutinho.nl - A1-B2
- coutinho.nl - B1-B2
- hueber.de - A1-A2
- pelckmans.be - A1-A2
- cambiumned.nl - This page is part of a website intended for Dutch school students, but the exercises can also be used by advanced learners. Focus: verb exercises, spelling, and grammar. B1-C2
- /users.pandora.be - This page contains exercises for Flemish school students, but they are also suitable for advanced learners. Focus: reading, vocabulary, and spelling. B1-C2
- margoo.be - Partly free exercises, organized by level and context. Good for review practice. A1-C1
- taalblad.be - Many different exercises to practice each skill. A1-C1
- kennisnet.nl - Exercises for beginners and advanced learners, in Dutch, but kept simple
- voktrain.fvnl.de - A1-A2
- forvo.com - listen to pronunciation
- heardutchhere.net - site with pictures, audio files, texts, songs etc. - a bit chaotic, but informative and entertaining
- 2bdutch.nl - site on Dutch, in English, with lots of audio files
- vlaamsetaal.be - Flemish - subtleties, grammar etc. for advanced learners
- infos-fuer-alle.de - extensive collection of links to language, TV, radio, audio files etc.
- nt2taalmenu.nl - Dit is een veelzijdige en interactieve webpagina met talrijke oefeningen. Er zijn veel beeldmateriaal en geluidsfragmenten te vinden. Veel oefeningen zijn in de vorm van spelletjes. A1-B2
- spreekwoord.nl - Uitleg en quiz over spreekwoorden
- nederlandsalstweedetaal.nl - Quiz over Nederland - general knowledge, sport, culture and history
- 20q.net - Woordenspel
- jekanmewat.nl - Kruiswoordraadsels
- xs4all.nl - Lingo met drie letters