May 25, 2002

Open Source/Free Software licenses

Author: Benjamin D. Thomas

"We classify a license according to certain key questions:

* Whether it qualifies as a free software license.
* Whether it is a copyleft license.
* Whether it is compatible with the GNU GPL. (This means you can combine a module which was released under that license with a GPL-covered module to
make one larger program.)
* Whether it causes any particular practical problems.

If you want help choosing a license, evaluating a license, or have any other questions about licenses, you can email us at .

By the way, if you believe you have found a violation of one of our copyleft licenses, please refer to our license violation page.

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