anchor.diff:  
   For information about an _entitlement_ type of plugin, see https://docs.killbill.io/latest/entitlement_plugin.html[_Developing an Entitlement Plugin_].
   
  +[[deposit]]
   === Deposit
   
   https://github.com/killbill/killbill-deposit-plugin[GitHub] | 
  
positive.code: 
  For more information about _notification_ plugin types, see https://docs.killbill.io/latest/notification_plugin.html[_Developing a Notification Plugin_].
  
  === Framework/Learning
  
  Jump in and learn how to write Kill Bill plugins!
  
negative.code: To learn about _payment_ plugins, see the
  https://docs.killbill.io/latest/payment_plugin.html[_Payment Plugin Overview_].
  
  [[payment_gateways]]
  === Payment Gateways
  
  Our current open-source payment plugins are for Adyen, Braintree, Qualpay, and Stripe. For more information on payment plugins in general, see the Payment Plugin Guide. 
  