The Sources

The MLKit sources are hosted at Github and contains the sources for

  • The MLKit native compiler.
  • SMLtoJs, an optimizing Standard ML to JavaScript compiler.
  • Online SML IDE, an online Standard ML compiler running in the user’s browser with Dropbox used as storage.
  • SMLserver, an efficient Apache2 web server plugin for serving Web sites written in Standard ML.
  • Tools, such as MLYacc, MLLex, Rp2ps (profile visualizer), and many others.


MLKit is supported only on UNIX platforms, including macOS and Linux.


To get the latest version of the sources, issue the following git command:

git clone

For older versions of the MLKit, you may browse the list of releases.


To install the MLKit, see Installation.

Very old versions of the MLKit