Contents of the Indigo project repo are made available under two 
different open licenses. The fonts, their sources, and build tools 
are released under the Open Font License version 1.1. The accompanying 
documentation, test files, and other resources are released under 
the Apache License version 2.0. Please refer to the license .txt files 
in individual folders, or the following details for clarity:

The terms of the Open Font License v1.1 apply to the contents of 
the following folders and their subfolders:
\fonts
\sources
\tools

The terms of the Apache License v2.0 apply to the contents of 
the following folders and their subfolders:
\docs
\resources
\tests

The contents of the \third-party folder are NOT licensed for any use 
outside of the Indigo repo.