I'm with you Zamalito on this seed saving quest! Open source free use genetics and preservation best way to accomplish this is a breeder collective in my opinion. Check out seedsavers. org as a example of what is possible. The other thing is all these different strains have different medicinal properties which need to be preserved. If you start this support will grow
Unfortunately Seed Savers dot org has been compromised.
I don't have a link but their execs are linked to big ag (think Monsanto, Syngenta, etc.), with not so good consequences, in the last few years.