Main Page | See live article | Alphabetical index J2S is a software company based in Lille, France. J2S' email address is contact@j2s.net (J2S, n.d.). A partial list of products J2STask References J2S. (n.d.). J2S corporate information. Retrieved January 14, 2004. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.