TagUtil
An easy-to-use tagging utility that enables easy insertion of tags into a blog post. Other facilities offered include: Scheduled Pinging, Support for portable Tag Sources (as RDF files), Facility to create and share such Tag Sources (in RDF format), and Updating of Live Bookmarks for selected Technorati tag searches.(Note: Core functionality is platform independent. However, some peripheral features that involve 'file write' operations would work only on Windows.)
Supported
versions: Firefox 1.5 - 1.5.0.* ALL
Notes / Comments: Made the application window 'resizable', to ensure compatibility with different user settings.
Categories: Blogging, Bookmarks, News Reading, XUL Applications

Snapshot of TagUtil main screen:
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