A very few Ads serving network which are good and real apart from Google AdSense. Chitika, Infolinks, Clicksor have topped.
Here is the post explaining you on, What is difference between synchronous and asynchronous Adsense Ads in detail. Which is best to use?
Answering - Is it possible to have multiple Google AdSense account by one person who is having multiple bank accounts in different banks.
Google Custom Search (CSE) Engine gives you full permission of coloring your ads background matching your website content and link color.
Smart AdSense Earning Calculator help to calculate Estimated Earning and Estimated eCPM rate based on PageViews, CPC and CTR of website.
Google AdSense allows publishers of content sites to serve automatic text, image, video, and rich media adverts that are targeted to site content and audience.
Google Adsense Official App for your Android OS for phone or tablets. You can check your daily earning through mobile without accessing through browsers.