The Ham Radio Control Library–Hamlib, for short–is a project to provide programs with a consistent Application Programming Interface (API) for controlling the myriad of radios and rotators available to amateur radio and communications users.
Hamlib has a very organic development model. Contributions (patches) are accepted after review and applied to the development branch (master), or, in the case of a bug fix to a released version, an arbitrary stable branch.
Not to worry, the GitHub site (which hosts this page and repository) has plenty of help keep all of this straight.
Another way to submit patches is to post them to the mailing list where Nate, N0NB, will likely apply them and push them to the main repository. The README.developer file has some additional information.
Contributions to Hamlib come from all over the world, it seems. It is this widespread interest that keeps the project moving forward. Don’t be shy if all of this seems a bit overwhelming. All of us were beginners at some point as well.