[Springtime]

Edit: misunderstood your premise. You meant bespoke solely single household servers at home. Like homelabs but without the hassle.

Wuala[1][2] did something similar more than a decade ago, in that users become distributed storage for other users which made the service free for those participating (otherwise was a paid subscription). They were then acquired and stopped their most unique feature before closing for good.

[1] https://en.wikipedia.org/wiki/Wuala

[2] https://arstechnica.com/uncategorized/2008/08/first-look-wua...