Even if this list is from 2011, you'll find a lot of interesting tools for today. [note mg]
If you want to know what’s happening in the social web you need monitoring tools. Before you get out your credit card and start to spend money try out some of the free social media monitoring services. This way you get a taste of what is available and if you need paid services.
I have collected 48 free social media monitoring tools. In the Group A are the services that I use regularly or seem interesting to check out immediately. The Group B is an alphabetical list of tools for you to play with. Here we go:...
Read more: http://bit.ly/IDzrqr
Via Martin Gysler, Jesús Hernández