You can get involved in making Hue better in many different ways, from providing usage feedback to implementing the next super-duper application to improving the UI look and feel. Hue’s bug tracker is at https://issues.cloudera.org/browse/HUE. Patches are welcome.
For information on how to do code reviews, as well as instructions to submit a CCLA, please see Contribute-to-Hue
Hue is free software made available under the Apache License, version 2.0. Hue contains external sources (in labelled directories), with different compatible licenses. The list of external sources is summarized in ext/thirdparty/README.md.