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.
DownloadsThe current release is 110.88. Previous versions are also available through our release history page. A history of the changes to the system is also available.
Subversion accessOur 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.
- [05/15/19] Version 110.88 is released. See the README for details.
- [05/03/19] Version 110.87 is released. See the README for details.
Note that Version 110.86 was released on May 2, but was not announced, since it was just a stepping stone to get to the 110.87 release.
- [12/21/18] Version 110.85 is released. See the README for details.
- [09/03/18] Version 110.84 is released. See the README for details.
- [06/01/18] Version 110.83 is released. See the README for details.
- [10/26/17] The Microsoft Windows MSI installer for 110.82 is now available.
- [10/16/17] Version 110.82 is released. See the README for details. Note: We are currently working on getting our distribution scripts to work properly on Windows 10, so we do not have a Windows MSI file for 110.82 at this time.
- [05/01/17] Version 110.81 is released. See the README for details.
- Older news
- Information on downloading and installing the SML/NJ system and related software.
- A signed installer for macOS is available (smlnj-x86-110.88.pkg).
- A Windows msi installer for Windows 7+ is available (smlnj-110.88.msi).
Documentation and Literature
- SML/NJ User's Guide
- SML'97 Basis Library
- SML/NJ FAQ (Frequently Asked Questions)
- SML'97 Conversion Guide
- Top Level Environment Comparison
- Special features of SML/NJ
- Compilation Manager (CM)
- ML Language Processing Tools (ml-ulex and ml-antl)
- Concurrent ML
- SML/NJ-C foreign function interface
- Compiler notes
- Bugs can be reported online using our PHP bug form.
- You can also submit bug reports by email to using the bug report form.
- A legacy record of known bugs and the bug history for SML/NJ are available via the bugs web page.
- Recent submissions should appear in the GForge tracker .
- Pointers to programming resources (libraries, tools, example code), projects using SML/NJ, other SML implementations, related compiler research work, and miscellaneous SML links. The programming resources links will soon move to a separate page of their own.
- Picture of current cast of people involved in the project.
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).
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Copyright © 2004-2019, SML/NJ Fellowship.