activegrid - wdsl? javascript grid
http://www.activewidgets.com/grid/ http://numsum.com/ http://www.blueshoes.org/en/javascript/spreadsheet/ wikicalc
http://www.turboajax.com/turbodbadmin_demo/
dhtmlxGrid http://www.scbr.com/docs/products/dhtmlxGrid/
http://www.activewidgets.com/grid/
http://www.simple-groupware.de/cms/Spreadsheet/Home
ZK
jython pyservlet
http://www.informit.com/articles/article.aspx?p=26865&seqNum=6&rl=1
http://echo.nextapp.com/site/echo2
pyjamas