There are several public repositories and archives available new and they are continuing to grow. Things to think about when choosing the one best for you:
In an effort to standardize accessibility and integrity of IRPs created through the use of NIH funds guidelines.Interim research products rely on repositories to make them public.
"The NIH would like to ensure that practices for interim products facilitate the impact, measurement and the integrity of the scientific record. Specifically, the NIH strongly encourages interim research products arising from NIH funds to be deposited in repositories that ensure:
Please be aware that while most scientific publishers do not consider preprint servers (e.g. bioRxiv or aRxiv) a problem regarding publication consideration, some do. Proceedings of the National Academy of Sciences (PNAS) preprint publication will depending on the licensing type while Journal of Clinical Investigation will not publish preprinted materials. Wikipedia maintains the List of academic journals by preprint policy so make sure to check this list before considering a publication submission if you have preprinted material.