javatuples is Open Source Software created by a Spanish Software Engineer called Daniel Fernández in his spare time.
It is neither made nor backed by any software (or any other type of) company, and it is offered to the public totally free of charge, both in binary and in source code forms, under the Apache License 2.0.
No, it does not.
In many ways:
If you want to contribute some code to javatuples, please read first the page on Contributing to javatuples.