(access is restricted to a small number of developers during this testing period. email waitinglist available)
The Google Mashup Editor provides simple tools and features that allow you to create mashups in minutes.
Mashups created with the Google Mashup editor can be published to a hosted environment. You choose your subdomain and we’ll host your feed-based mashups at googlemashups.com. You can go from creation, to testing to publishing in one click of a button.
update: Google Mashup Editor is gone.