activegrid - wdsl? javascript grid

http://www.turboajax.com/turbodbadmin_demo/

dhtmlxGrid http://www.scbr.com/docs/products/dhtmlxGrid/

http://www.activewidgets.com/grid/

http://www.codethat.com/grid/

simple-spreasheet

ZK http://www.zkoss.org/

jython pyservlet

http://www.informit.com/articles/article.aspx?p=26865&seqNum=6&rl=1

http://www.zkoss.org/

http://echo.nextapp.com/site/echo2

GAE -alternativ: typhonAE AppScale

pyjamas http://pyjs.org/

http://jack.palevich.googlepages.com/brickbreak.html

www.jslint.com