Tool Window Manager Plug-in version 1.0.0 is available for download
using IDEA's internal Plugin Manager or directly from the IDEA plug-ins
website at http://plugins.intellij.net/plugin/?id=1489.
The plug-in requires IDEA 6.0 (i.e. build 5766) or newer (also tested
with Selena EAP build 6981).
The plug-in provides (within some limitations/compromises imposed by
IDEA's OpenAPI) the ability to specify that tool window buttons should
or should not be made visible, or should be ignored and left in their
See the "General usage instructions" section at the URL given above for
a few more details.
Hope this lets some of you reclaim your button bar space!