In case you are wondering about Similar programs to Google AdSense, you might find the below list usefull.
Mostly pulled from this link here and sorted & linked for convenience!
- 7Search
- AdBrite
- AdSense
- BidClix
- BidVertiser
- Chitika
- CompactADS
- Clicksor
- FastClick
- Gold-Words
- interCLICK
- Kanoodle
- Kontera
- PartnerWeekly
- PeakClick
- ValueClick
- VibrantMedia
- Yahoo Publisher
- Please let me know if i missed something useful…