This is the elusive, and disapointing, NeXbar. Version 1.0 beta 2,
only one that I know of.
It?s supposed to provide a NeXTSTEP/OPENSTEP style dock for Mac OS X.
From the dev features list, it should be possible to drag applications
to the right side screen border and have them show up like tiles in
NeXbar, but I couldn?t make it work.
It only shows the NeXbar tile dock, usable only to open a Finder
window by double clicking on it? The tile size, transparency and icon
are customizable though. Tested on Mac OS X 10.2 and 10.4.

Original dev site on the Wayback Machine:
[http://web.archive.org/web/20020202200434/http://www.ubermind.com/~khans...][1]

Compatibility
Architecture: PPC (Carbonized)

Mac OS X 10.2 and 10.4

  [1]: http://web.archive.org/web/20020202200434/http://www.ubermind.com/~khans/NeXbar/ (http://web.archive.org/web/20020202200434/http://www.ubermind.com/~khans/NeXbar/)