Ad serving for web publishers who are serious about making money

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The free, open source ad server trusted by more than 30,000 web publishers in over 100 countries around the world. OpenX is a powerful ad serving solution that puts control over online advertising back in the hands of publishers.

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News

OpenX 2.5 beta is available for download

We are pleased to announce the new beta version of the OpenX ad server.

This new version of OpenX introduces new features to help you:

  • Write applications which interact with OpenX
  • Serve ads faster
  • Deliver more targeting ads easily

Now the march towards the next stable release begins. We need your help testing the beta to ensure that no bugs remain undiscovered.

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Education

New to online advertising? Learn more about how online advertising works and how you can make money from your website.
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