Open Source Licenses

Built with open source software

Open Source Licenses

Open source software licenses used on the HAESUNG CONSTRUCTION website including CodeIgniter 4, Bootstrap, jQuery, Quill, and more.

Last Updated: 2026-03-12

This website is built with the help of open source software. We are grateful to the developers and communities who create and maintain these projects. Below is a list of the major open source components used on this website, along with their respective licenses.

Server-Side (PHP)

SoftwareVersionLicenseWebsite
CodeIgniter 4 4.6 MIT License codeigniter.com
CodeIgniter Shield 1.2 MIT License shield.codeigniter.com
HTML Purifier 4.19 LGPL-2.1 htmlpurifier.org

Client-Side (JavaScript)

SoftwareVersionLicenseWebsite
Bootstrap 5.3.3 MIT License getbootstrap.com
Bootstrap Icons 1.11.3 MIT License icons.getbootstrap.com
jQuery 3.6.0 MIT License jquery.com
jQuery UI 1.13.2 MIT License jqueryui.com
TinyMCE 7.9.2 GPL-2.0-or-later tiny.cloud
Chart.js 4.4.0 MIT License chartjs.org
Leaflet 1.9.4 BSD 2-Clause leafletjs.com
SortableJS 1.15.0 MIT License sortablejs.github.io
AngularJS 1.8.2 MIT License angularjs.org

Web Fonts

FontUsageLicenseSource
Comfortaa English body text SIL Open Font License 1.1 Google Fonts
Lexend English body (secondary) SIL Open Font License 1.1 Google Fonts
Red Hat Display English headings SIL Open Font License 1.1 Google Fonts
Eulyoo1945 Korean body text SIL Open Font License 1.1 noonnu.cc
KoPub Batang Korean headings KoPub License (Free) kopus.org

License Texts

MIT License

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.

GPL-2.0-or-later (TinyMCE)

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

BSD 2-Clause License (Leaflet)

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

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. 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.

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.

LGPL-2.1 (HTML Purifier)

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

SIL Open Font License 1.1

Permission is hereby granted, free of charge, to any person obtaining a copy of the Font Software, to use, study, copy, merge, embed, modify, redistribute, and sell modified and unmodified copies of the Font Software, subject to the following conditions:

1. Neither the Font Software nor any of its individual components, in Original or Modified Versions, may be sold by itself.
2. Original or Modified Versions of the Font Software may be bundled, redistributed and/or sold with any software, provided that each copy contains the above copyright notice and this license.
3. No Modified Version of the Font Software may use the Reserved Font Name(s) unless explicit written permission is granted by the corresponding Copyright Holder.

Acknowledgments

We extend our sincere thanks to all the developers, contributors, and communities behind these open source projects. Their work enables us to build better software and provide a better experience for our users.

If you have any questions about our use of open source software, please contact us at info@haesung.io.

Last updated: May 2026 | HAESUNG CONSTRUCTION, inc.