Creators of publicly-available software and assets

Used in the MixApp Mac client

• CTGradient
  by Chad Weider (CC Attribution 2.5 License)
• Growl notification system
  by the Growl development team (BSD license)
• Rounded Box
  by Matt Gemmell (Freely available)
• Sparkle software updater
  by Andy Matuschak and fellow developers (Freely available)

Used in the MixApp Windows client

• GnuWin32 port of GNU tools
  In particular, the libcharset, libiconv, libintl, libpopt packages (all GNU LGPL)
• pthreads-win32 POSIX threads for Windows
  by its development team (GNU LGPL)

Used in multiple MixApp clients

• Boost C++ library
  by its community of developers (Freely available)
• dirent.h C header for file directory traversal
  (GNU LGPL)
• Google Protobuf data interchange format
  (BSD license)
• id3lib library for ID3v1 and ID3v2 tags
  by Dirk Mahoney and the development team (GNU LGPL)
• The lwIP TCP/IP Stack
  by Adam Dunkels and fellow developers (BSD license)
• mpg123 audio player
  by Thomas Orgis and Nicholas Humphrery (GNU LGPL)
  used in the iPhone and Linux clients
• Prototype javascript framework
  by the Prototype Core Team (MIT License)
• Qt cross-platform application and UI framework
  by Trolltech, now part of Nokia (GNU LGPL)
  used in the Linux and Windows clients
• Silk icon set
  by Mark James (CC Attribution 2.5 License)
  Some of these icons we've used directly, some we've modified in a way that will probably make a talented icon artist like Mark cry.
• SQLite database engine
  by its development team (Public Domain)
• WebKit web browser engine
  by the Webkit team (GNU LGPL and BSD licenses)
• zlib compression library
  by Jean-loup Gailly and Mark Adler (Freely available)

Used on MixApp servers (no distribution)

• Attachment_fu rails file handling plugin
  by Rick Olson and contributors (publicly available)
• Facebooker Ruby wrapper
  by the Facebooker developers (MIT License)
• ImageMagick command line image manipulation software
  by ImageMagick Studio LLC (ImageMagick License)
• MiniMagick ruby wrapper for ImageMagick
  by J Corey and contributors (MIT License)
• Javascript strftime
  by Daniel Rench (public domain)
• PostgreSQL database
  by many people over three decades (BSD license)
• Ruby on Rails web framework
  by its core development team and many contributors (MIT license)
• Simplicio icon set
  by Neurovit (Freely available)
• Sphinx SQL full-text search engine
  by Sphinx Technologies (GNU GPL)

Tools we use internally

• Hudson continuous integration engine
  (MIT license)
• Redmine project management application
  by Jean-Phillipe Lang and fellow contributors (GNU GPL)