OptiKey, and the open-sourced code, is licensed under the GNU GENERAL PUBLIC LICENSE (Version 3, 29 June 2007). A copy of this license is embedded in the source and accompanies each
OptiKey 及其开源代码遵循 GPLv3 许可（GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007）。许可证的副本包含在源码以及每个安装中，或者可以通过 这里 查看。