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The GIF Controversy: A Software Developer's Perspective
Article on the GIF controversy seen from a software developer's perspective. Includes a collection of information from the history of the controversy to the most recent events.
League for programming freedom
Provides news, position statements and legal resouces covering software patent issues and user interface copyrights. Includes information on the LZW patent.
LZW Patent FAQs
Answers various questions about the LZW patent, including the GIF specification.
The LZW Algorithm
Detailed description of encoding and decoding algorithms as well as practical characteristics.
Unisys LZW page
Provides license information on GIF and other LZW-based technologies