LICENSE.txt

For Semantle/Semantlich/semantle-de/semantle-ko:

Code forked from Semantlich (https://github.com/gaetjen/semantle-de,
semantlich.johannesgaetjen.de) by Johannes Gätjen and Semantle
(https://gitlab.com/novalis_dt/semantle, semantle.novalis.org) by
David Turner. Initial fork from commit
c892b77a314f6433504b926ae29a4a640ba7e07e (2022-03-31) and
216f576655775250f0f64282801f433d96dddebc (2022-03-03).

GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

                            Preamble

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Also add information on how to contact you by electronic and paper mail.

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notice like this when it starts in an interactive mode:

    <program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.

  The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
MIT License

-----------------------
For clipboard.js:

Copyright (c) Zeno Rocha

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.

-----------------------
For Korean dictionary (https://github.com/spellcheck-ko/hunspell-dict-ko)
The combined dict-ko-data.yaml in the source code and the built files (ko.aff and ko.dic) are licensed under the GPL version 3. See LICENSE.GPL-3.0 for terms.
Works under CC BY 4.0 and CC BY-SA 2.0 KR can be adapted under CC BY-SA 4.0. And CC BY-SA 4.0 declares the GPL version 3 as an one-way compatible license.
Therefore, The combined dictionary is licensed under the GPL version 3.
See https://creativecommons.org/share-your-work/licensing-considerations/compatible-licenses
-----------------------
Word embeddings from FastText, published under Creative Commons Attribution-Share-Alike License 3.0
https://creativecommons.org/licenses/by-sa/3.0/
https://fasttext.cc/docs/en/crawl-vectors.html
-----------------------
For frequent_words.txt
From Wiktionary, published under Creative Commons Attribution-Share-Alike License 3.0
https://creativecommons.org/licenses/by-sa/3.0/
https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists/Korean_5800