The LambertW.jl package is licensed under the MIT "Expat" License:

> Copyright (c) 2015: John Lapeyre.
>
> Permission is hereby granted, free of charge, to any person obtaining
> a copy of this software and associated documentation files (the
> "Software"), to deal in the Software without restriction, including
> without limitation the rights to use, copy, modify, merge, publish,
> distribute, sublicense, and/or sell copies of the Software, and to
> permit persons to whom the Software is furnished to do so, subject to
> the following conditions:
>
> The above copyright notice and this permission notice shall be
> included in all copies or substantial portions of the Software.
>
> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
> IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
> CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Portions of this code are derived from SciPy and are licensed under
the Scipy License:

> Copyright (c) 2001, 2002 Enthought, Inc.
> All rights reserved.

> Copyright (c) 2003-2012 SciPy Developers.
> All rights reserved.

> Redistribution and use in source and binary forms, with or without
> modification, are permitted provided that the following conditions are met:

>   a. Redistributions of source code must retain the above copyright notice,
>      this list of conditions and the following disclaimer.
>   b. Redistributions in binary form must reproduce the above copyright
>      notice, this list of conditions and the following disclaimer in the
>      documentation and/or other materials provided with the distribution.
>   c. Neither the name of Enthought nor the names of the SciPy Developers
>      may be used to endorse or promote products derived from this software
>      without specific prior written permission.
>
> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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