Hyang is a free software and all Hyang releases are open source distributed under the terms of the MIT License copied below. The Hyang distributions permit reuse within proprietary software, and also compatible with many copyleft software licenses, such as the GNU General Public License (GPL) so Hyang can be integrated into proprietary software as well as GPL software. Hyang may be used for any commercial or non-commercial purposes at absolutely no cost without having to ask us. The only requirement is that if you do use Hyang, then you should give Hyang credit by including the appropriate copyright notice somewhere in your product or its documentation. The Hyang language is entirely maintained by Hyang Language Foundation that keeps Hyang copyright.
Copyright © 2017 Hyang Language Foundation
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.
There are many other softwares, references and tools that are used in develping and running the Hyang projects (including
hyang.org website and Hyang documentations). They may difference on each version release of Hyang. On the latest release condition, see this page.