AdMob is a mobile advertising platform that gives you a way to earn money by displaying targeted ads alongside your app content.
AdMob helps you show relevant and engaging ads to your app users and even customize the look and feel of ads to match your app. Over 1 million apps use AdMob, and 81% of the Android top 1000 use AdMob.
Taboola is an advertising platform that provides advertisements such as "Around the Web" and "Recommended For You" boxes at the bottom of many online news articles.
Outbrain is a web recommendation platform that helps show ads based on the users' interests and shares the revenue from advertisers with the publishers.
Freemius is a SaaS engine for selling WordPress plugins and themes. It helps you accept payments, generate software licensing, manage subscriptions, create an affiliate program, and more.