SML/NJ Standard ML
of New Jersey

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.


The Current release is 110.78. Previous versions are also available through our release history page. A history of the changes to the system is also available.

Subversion access

Our master source repository is kept on a FusionForge server (a successor to GForge) under Subversion control. We provide anonymous read-only access to the repository, so anyone can download a snapshot of the most recent sources at any time. Instructions are here.

What's New

Downloading SML/NJ Software for Unix, Mac OS X, or Windows


Documentation and Literature

Reporting Bugs



This project is based upon work supported in part by the National Science Foundation under Grant No. CNS-0454136.

Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).

Send your comments to .

Copyright © 2004-2015, the SML/NJ Fellowship.