Licensing for laymen - GPL explained

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The GPL was first developed by Free Software Foundation founder, Richard Stallman in 1989. The licence challenged standard proprietary licences, supplanting the familiar copyright with copyleft.

The licence's influence and importance within free and open source software (FOSS) can be seen by the fact that the report notes "the vast majority (typically 60% to 70%) of all open source projects are licensed under the GPLv2."

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