Microsoft is excited to announce the INVITE only alpha release of Popfly. Popfly is a fun, easy way to build and share mashups, gadgets, Web pages, and applications. Popfly consists of two parts:
Popfly Creator, a set of online visual tools for building Web pages and mashups.
Popfly Space, an online community of creators where you can host, share, rate, comment and even remix creations from other Popfly users.
Check out http://www.popfly.com/ for more details.