Grey Matter is a web site app for blogging and comments. It will allow multiple users provided they are set up by admin.
From GreyMatter's Web site (http://noahgrey.com/greysoft/):
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- Greymatter is the original OpenSource WebLogging? and journal software. With fully-integrated comments, searching, file uploading and image handling, completely customisable output through dozens of templates and variables, multiple author support, and many other features�while having perhaps the simplest installation process and easiest-to-use interface of any program offering this level of functionality�Greymatter permanently raised the bar for weblogging and journaling, and it remains the program of choice for tens of thousands of people around the world.
GreyMatter can also mean "black and white together" or "neither a definite black nor white".
GrayMatter??