Developers of java2script/SwingJS itself should read README-developers.md
Bob Hanson (email@example.com)
See https://github.com/BobHanson/java2script/tree/master/dist and the README file in that directory.
History - 2017-
https://github.com/BobHanson/java2script (development master)
Jmol-SwingJS https://github.com/BobHanson/Jmol-SwingJS (code only)
History - 2010-2016
https://github.com/java2script/java2script (stable master)
Ported from SourceForge by Zhou Renjian, developed further by Zhou Renjian and Udo Borkowski (primarily) as "Version 2.0".
Developed further in 2016 by zhou Renjian, Udo Borkowski, Bob Hanson, Andrew Raduege, Nadia El Mouldi, and Paul Falstad (http://www.falstad.com) for the first round of post-JSmol application of java2script, adding javax.swing classes and dubbed "SwingJS". Used by Bob Hanson during 11/2016 for conversion of the PhET gas applications applets.
Synchronized with https://github.com/BobHanson/java2script as the stable master version in 2018.
Examples can be found at https://chemapps.stolaf.edu/swingjs/phet/site/swingjs/examples and https://chemapps.stolaf.edu/jmol/jsmol
History - 2005-2010
https://sourceforge.net/projects/j2s (last updated 6/2010)
Initially developed by Zhou Renjian (aka "Josson Smith", firstname.lastname@example.org, 2005-2017), Soheil Hassas Yeganeh (email@example.com, 2006), Sal Ferro (firstname.lastname@example.org, 2006), Sebastian Gurin (email@example.com, 2008), and others. The project was a "proof-in-concept" that saw limited actual application.