See https://visjs.github.io/experiment-vuepress/documentation/.

Copyright (C) 2010-2019 Almende B.V. and Contributors

Vis.js is dual licensed under both

• The Apache 2.0 License http://www.apache.org/licenses/LICENSE-2.0

and

• The MIT License http://opensource.org/licenses/MIT

Vis.js may be distributed under either license.