League for Programming Freedom (LPF) was founded in 1989 by Richard Stallman to unite free software developers as well as developers of proprietary software to fight against software patents and the extension of the scope of copyright. Their logo is the Statue of Liberty holding a floppy disk and tape spool. Among other initiatives, the League started the "Burn all GIFs" campaign in opposition to the actions of Unisys in enforcing their patent on LZW compression used by CompuServe when creating the image format. More information...
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