Open Source within Plain Sight

Now days lots of consumer devices use lots of open source software.
For example Samsung's GT-E1175 GSM Cell phones uses the following open source software:

• Independent JPEG Group
  Independent JPEG Group is an informal group that writes and distributes a widely used free library for JPEG image compression.
  homepage and source code
  
  
• Newlib
  Newlib is a C standard library implementation intended for use on embedded systems. It is a conglomeration of several library parts, all under free software licenses that make them easily usable on embedded products.
  wikipedia entry | homepage and source code
  
  
• Challenge Handshake Authentication Protocol
  In computing, the Challenge-Handshake Authentication Protocol (CHAP) authenticates a user or network host to an authenticating entity.
  wikipedia entry (theory) | RFC1994 | source code
  
  
• MD5 Message-Digest Algorithm
  The MD5 Message-Digest Algorithm is a widely used cryptographic hash function that produces a 128-bit (16-byte) hash value. Specified in RFC 1321, MD5 has been employed in a wide variety of security applications, and is also commonly used to check data integrity
  wikipedia entry | RFC 1321 (includes source code)

GT-E1175 Open Source Announcement Leaflet: