Billdu uses several free and open source programs and applications to provide you the best user experience. The usage of some of these programs requires to enclose their license agreements into our app. Because the contribution of those programs and applications is very much appreciated, we present a list of all programs that are used by Billdu. We also want to seize the opportunity to thank all developers of those programs for their great effort:


  1. Facebook SDK
  2. GoogleConversion TrackingSDK
  3. MIMChart-Library
  4. XYPieChart
  5. BSKeyboardControls
  6. JASidePanels

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