There are several initiatives and programs currently working in the broader space of connection and community-based support. Many of these efforts emphasize intergenerational dialogue, mentorship, or social engagement as pathways to reducing isolation and strengthening relationships.
However, there appears to be a notable gap in efforts dedicated specifically to chosen family as a central mission or framework.
Some of the similar initiatives are:
Conversations to Remember
Big & Mini
www.reddit.com/r/FamiliesYouChoose