Standard ML of New Jersey (abbreviated SML/NJ) is a compiler for the Standard ML '97 programming language with associated libraries, tools, and documentation. SML/NJ is free, open source software. What's New [2026-03-14] Release 2026.1 of the development repository is available. See the README for details. [2025-12-22] Release 2025.3 of the development version is available. See the README for deta

