The best Social Network alternative to Ancestry is Geni, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Ancestry and three of them are Social Networks so hopefully you can find a suitable replacement. Other interesting Social Network alternatives to Ancestry are OneFam and 6 Groups.
Ancestry alternatives are mainly Social Networks, but if you're looking for
Genealogy Tools you can filter on that. Other popular filters include
Open Source and
Free. You can also filter by region, for example
EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Ancestry.