Thank you for looking into the MobFox SDK. All our SDKs are available both open-source here on GitHub as well as as compiled libraries, downloadable through your MobFox account.
To get started, sign up for a MobFox account under http://www.mobfox.com/signup
Integration docs are available directly in your MobFox account. Just log in, head to Integration, and you will see the latest integration tutorials.
This SDK supports custom events to add additional third party SDKs to your monetization stack. For a tutorial on setting this up, please refer to the integration docs.