In the course of preparing this year's Open Source CMS Market Share Report, I've spent a fair amount of time researching Twitter as a means of judging buzz and popularity. As a result of that I have bookmarked quite a few tools that I found useful. In this post I share what I've found -- perhaps it will save you some time. Please feel free to add to this list using the comment form at the bottom of the post.
There are 23 tools here, organized topically as follows:
