I have used OIOpublisher Ad Manager - Control Your Ad Space
It works quite well.
The basic benefits right from their site:
- # Complete control over your advertising, with fully automated sales
- # Make money from your websites whilst saving valuable time
- # Keep 100% of your revenue, forget middleman commission
- # Sell all forms of ads, and even your own digital products
- # Run 3rd party ad networks alongside your own ads
- # Gain exposure through our free ad marketplace
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