@berkberkman >For files in the thirdparty directory:
>Please consult with the licenses in the appropriate READMEs or source codes

>opentoonz/thirdparty/superlu
Binaries and no source code.
Upstream seems proprietary: https://raw.githubusercontent.com/xiaoyeli/superlu/master/License.txt

>opentoonz/thirdparty/quicktime
Empty, but contains instructions as to how to install the proprietary software

>opentoonz/thirdparty/canon
Instructions to copy a proprietary canon library

That's the 6th time in a row I've come across "open" software that smells proprietary.