Platform Wiskunde Nederland the central place for everything about mathematics
Koninklijk Wiskundig Genootschap Royal Dutch Mathematical Society
Nederlandse Vereniging van Wiskundeleraren association of mathematics teachers
Wiskunde PersDienst news about mathematics and mathematicians
Centrum Wiskunde & Informatica scientific research institute for mathematics and computer science
WONDER, Dutch Research School in Mathematics coordinates the national graduate program in mathematics
Vierkant voor Wiskunde organizes mathematical activities for young people
Math4all develops mathematical material for the internet generation