BlastXViewer7Web is a project mainly written in ActionScript, it's free.
BlastXViewer7 project (web visualization)
BlastXViewer7Web is a Flex/Actionscript 3.0 project for BlastX results visualization.
The (temporal) address for the service is:
http://gotools.bio4j.com:8080/Bio4jTestServer/BlastXViewer7Web.html