Follower Wonk – Need to know who to target in Twitter for a clients upcoming campaign? Find their power followers, search twitter bios, compare users and track followers with the PDX company Follower Wonk. Just sign in with twitter and use some [street] creds for free.
And iTweetlive has to get a mention as well. I like how the searches function assists and allows a conversation to be at the touch of your fingers – whilst seeing best engagement to topics that matter the most especially for small businesses. Think of this as a help deck that gives you insights. Nice.