GUI: https://svn.eiffel.com/eiffelstudio/branches/eth/eve/Src/Eiffel/interface/new_graphical/ebbro_tool/

Docs: https://svn.eiffel.com/eiffelstudio/branches/eth/eve/Src/library/ebbro/documentation

For opening .webarchive files check http://en.wikipedia.org/wiki/Webarchive