Deep Leap
JavaScript/etc applet to assist with all sorts of web-related activities. Now dead.
Lane Becker, Ben Brown, Bryan Boyer.
history http://www.bryanboyer.com/work/deepleap/start.html
Early description by Edd Dumbill: http://writetheweb.com/read.php?item=7
Lane Becker posting on UserLand discussion board: http://static.userland.com/userLandDiscussArchive/msg016281.html
Here's a comparison of Deep Leap with HailStorm: http://www.metafilter.com/comments.mefi/6473
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