The code is freely licensed under version 2.0 of the Apache license.

该代码是Apache License 2.0版之下免许可的。

youdao

The money is for online courses and tools, and any software developed with it must be freely licensed.

这些资金用于在线课程和工具的开发，所有凭借该资金开发出的软件，必须供使用者免费使用，无须注册。

youdao

That the licensed software may be modified freely and combined with other software to create derivative works.

被许可的软件可以被自由地修改以及与其他软件组合，以创建派生的作品。

youdao

All materials are openly licensed under a CC-BY license and freely available for reuse by all UNESCO Member States.

UNESCO: MEDIA SERVICES