Piwik is a Free Software, released under the GPL license. It does not have a monetary cost (it is free of charge) and the software license ensures it respects your freedom to use and modify the software. If you would like to pay back a little something, you are welcome to participate in the project and spend some of your time and energy to make Piwik better (the app, website or docs).

We are grateful for our wonderful sponsors and the core Piwik team for their amazing work.