The LombScargle.jl package is licensed under the BSD 3-clause "New" or "Revised" License:

> Copyright (c) 2016: Astropy Developers
> Copyright (c) 2016-2017: Mosè Giordano.
>
> All rights reserved.
>
> Redistribution and use in source and binary forms, with or without modification,
> are permitted provided that the following conditions are met:
>
> * Redistributions of source code must retain the above copyright notice, this
>   list of conditions and the following disclaimer.
> * 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.
> * Neither the name of the LombScargle.jl Team nor the names of its
>   contributors 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" AND
> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
> DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
> ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 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 THE POSSIBILITY OF SUCH DAMAGE.
