Rontu

PiwikCounter is a Counter which needs a Piwik installation under your control. Without it, it won’t work. 
It get’s its data through Piwiks API and caches the amount of visits until yesterday and just adds the amount of visits for the actual date.

PiwikCounter

PiwikCounter allows you to show the summary of (unique) visitors as a widget on your blog.

sebat

This Plugin adds the option to track your RSS reader or Twitter clicks by using Campaigns. You can use Google Analytics and/or Piwik. 
Twitter Campagns can shorten by Bit.ly 
And now you can add a QR-Code to Facebook liked Pages.

Campaign

This Plugin adds Campaign Infos to the RSS URL and a option for a twitterable URL to tracking in Google Analytics or Piwik And now a Option to add a Q …

PiwikCounter vs Campaign