Connectix's successful appeal maintained that the direct disassembly and observation of proprietary code was necessary because there was no other way to determine its behavior.

The move is one of the largest transfers ever of proprietary code to free software.

Internally, these utilities use one or more of the standard sorting algorithms, often with proprietary fine-tuned code.

Mobile operators sometimes use proprietary codes (either with a different leading digit or shorter in length for their own use).

It is licensed under the LGPL, so proprietary code can be linked against it.

The proprietary codes for each model can often yield more sophisticated information, but some of it may be more than the average shade-tree mechanic needs.

One popular open source version of Lex, called flex, or the "fast lexical analyzer", is not derived from proprietary code.

Sun has continued to use the proprietary code in their certified binary releases.

Initially proprietary code, it was released to the public as open source on May 5, 2008.

The updated information shows that Project David is a combination of both open source Wine and proprietary code.