Unless specifically indicated otherwise in a file, files are licensed under the Apache 2.0 license, as can be found in: LICENSE-apache-2.0.txt

Folders containing files under different permissive license than Apache 2.0 are listed below. Each folder contains its own license specified for its files.

* CMSIS - Apache 2.0
* dsp/kissfft - BSD-3-Clause
* dsp/dct - MIT
* tensorflow - Apache 2.0
* third_party/flatbuffers - Apache 2.0
* third_party/gemmlowp - Apache 2.0
* utensor - Apache 2.0
