GIF
GIF Links
- The gif2png Home Page The program converts files from the Graphic Interchange Format to Portable Network Graphics. The conversion preserves all graphic information, including transparency. The program can recover data from corrupted GIFs.
- Unisys/CompuServe GIF Controversy League for Programming Freedom (LPF) page on the Unisys patent controversy.
- US4558302 Patent The US patent covering the LZW compression algorithm used in GIF images.
- Web Site LZW Licenses Available from Unisys How to purchase a web site license to use GIF and other LZW-based technologies.
- GIF Economy: A Cautionary Tale Article on the GIF controversy seen from a software developer's perspective. Includes original interviews, a historical perspective, up-to-date information and a detailed bibliography.
- Burn All GIFs Information on upgrading a web site from the patent-encumbered GIF format to freely available graphics.
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