The LICENSE for the Source Code is generally GPL-2+ or GPL-2 compatible. For DATA creativecommons.org/licenses/by/4.0 The LICENSE for the Data is CC-BY 4.0 please attribute Abram Hindle using the following instructions: To properly attribute Abram Hindle on as per the requirements of CC-BY 4.0, citation to the MSR Data Track paper or Abram Hindle’s Green Mining paper are fine: @inproceedings{hindle2012green, title={Green mining: A methodology of relating software change to power consumption}, author={Hindle, Abram}, booktitle={Mining Software Repositories (MSR), 2012 9th IEEE Working Conference on}, pages={78--87}, year={2012}, organization={IEEE} }