PybusJ writes: IBM have released an online HTML5 editing tool Maqetta, hosted by the Dojo foundation. eWeek calls it an Open-Source Answer to Flash and Silverlight. That remains to be seen, but it does look interesting.
"Kill the Wabbit, Kill the Wabbit, Kill the Wabbit!"
-- Looney Tunes, "What's Opera Doc?" (1957, Chuck Jones)