The best replacement for clickbank is adsense.

The best alternatives to clickbank are rated as following:
★★★★★  adsense
★★★★  click2sell
★★★  paydotcom
★★★  commission junction
★★  cj
★★  1shoppingcart
★  clicksure
★  jvzoo
★  linkshare
★  amazon affiliate
★  shareasale
★  e junkie
★  ejunkie
★  plimus
★  2checkout
  commision junction
  payloadz
  google adsense

Your alternative for clickbank is not listed? Suggest!
Speaking about clickbank, one probably shouldn't forget about adwords.

Other search terms related to clickbank and their ratings are:
★★★★★ adwords
★★ facebook ads
★★ ppc
★ squidoo
aweber
You have in mind a companion for clickbank and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of clickbank in all years. Click on graph for more.
clickbank
adsense
click2sell