SEE: Simple ECMAScript Engine
The author of SEE is David Leonard.
The last version of SEE on the web is see-3.1.1424.
https://www.adaptive-enterprises.com.au/~d/software/see/
without active development since 27th of April 2009.
This project provides a source repository particularly for the tkHTML project, where it is used as JavaScript engine for the hv web browser.
The Tclsee package is a binding of SEE to the Tcl scripting language.
Here are instructions how to install SEE.