Sintran Sintran III Nord Programming Language ND-500 ND-COSMOS Mary (programming language) Nord-10 History of Norsk Data QED (text editor) Norsk Data Assembler ND-NOTIS Norsk Data Research and Development Network in Norway Extent (file systems) Nord-100 ENQUIRE Linker (computing) Timeline of operating systems List of operating systems Nord-1 PLANC Comparison of real-time operating systems