Doppi is built independently, but its quality is enabled by the Doppi Beta Testers. If you'd like to contribute some of your time to Doppi, apply to become a Beta Tester.

Original French localization generously provided by Mentea.

## Open Source

  Parts of Doppi are made possible by the generous creators of and contributors to the following open source projects:
MarqueeLabel
  For auto-scrolling long song titles in the player.
  MIT license
TagLib
  For reading and writing metadata on your song files.
  LGPL license
SDWebImage
  For caching artwork so that scrolling is fast.
  MIT license
Keychain Swift
  For storing your Last.fm session key securely.
  MIT license
GCDWebServer
  For powering the Doppi Web Uploader.
  New BSD license

Newer parts of Doppi have been written by Claude by Anthropic. OpenAI and Google models have also been used. AI models are trained on countless open source projects.

Lastly, thanks to the people at Apple who make the system software and marketplace that enables Doppi, as well as to the 2001–2006 iPod+iTunes teams.