LICENSE.txt

On libexec/ directory, they are licensed under GNU LGPLv3:
https://github.com/wkhtmltopdf/wkhtmltopdf/blob/0.12.3/LICENSE

- libexec/wkhtmltopdf-x64_mingw32.exe:
  copy of wkhtmltopdf.exe
  in wkhtmltox-0.12.4_mingw-w64-cross-win64.exe
  in https://github.com/wkhtmltopdf/wkhtmltopdf/releases/0.12.4/
- libexec/wkhtmltopdf-x86_64_darwin:
  copy of bin/wkhtmltopdf
  in usr/local/share/wkhtmltox-installer/app.tar.xz
  in Payload~
  in wkhtmltox-0.12.3_osx-cocoa-x86-64.pkg
  in https://github.com/wkhtmltopdf/wkhtmltopdf/releases/0.12.3/
- libexec/wkhtmltopdf-x86_64_linux:
  copy of wkhtmltox/bin/wkhtmltopdf
  in wkhtmltox-0.12.3_linux-generic-amd64.tar.xz
  in https://github.com/wkhtmltopdf/wkhtmltopdf/releases/0.12.3/

---

On except libexec/ directory, see below:

Copyright (c) 2023 Agileware Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.