Short version for non-lawyers:

Winnow is licensed under MIT terms.

Longer version:

Copyrights in winnow are retained by their contributors. No
copyright assignment is required to contribute to winnow.

Except as otherwise noted (below and/or in individual files), winnow is
licensed under the MIT license
<LICENSE-MIT> or <http://opensource.org/licenses/MIT>, at your option.

Winnow is forked from nom and, similarly, Geal and other nom contributors
retain copyright on their contributions.
