Why does it have to be a web app? It does not meet your requirements, but when I looked into this sort of task before, the best option looked like Gramps [0], which was discussed at [1].

  [0] https://gramps-project.org.

- Source: Hacker News / 8 months ago

Is there a reason to prefer Webtrees over an open source desktop app like Gramps? https://gramps-project.org/. - Source: Hacker News / 11 months ago

My technique is to maintain my tree off line in Gramps and do online work in the always free FamilySearch. Source: over 1 year ago

Alternatively, there's Gramps (free): https://gramps-project.org/. Source: over 1 year ago

I think you are looking for Gramps. Source: over 1 year ago

They gave me a brochure for dadikit.com. That site is no longer available, but links to ro.co . Ro.co has no kits available, and doesn't know when they will have kits available. Source: over 1 year ago

Back in late june, I had started attempting to procure HRT and also purchased the only form of sperm preservation I could afford (dadikit.com, which I don't mind name-dropping as this isn't exactly a glowing review). I'll get back to this. Source: over 2 years ago

I've opted to freeze my sperm before starting new medications and decided (perhaps correctly, perhaps incorrectly) to use a mail-in kit from dadikit.com. My results are as follows:. Source: almost 3 years ago

Look into dadi http://dadikit.com planned parenthood has a discount code as well, it ends up being $150 for the first year and $200 each year after I think! Source: over 3 years ago