smlnj: smlnj (Standard ML of New Jersey) smlnj: smlnj: Standard ML of New Jersey (abbreviated SML/NJ) is a compiler smlnj: for the Standard ML '97 programming language with associated smlnj: libraries, tools, and documentation. SML/NJ is free, open smlnj: source software. smlnj: smlnj: smlnj: smlnj: smlnj: