<a href="https:&#x2F;&#x2F;diasporafoundation.org&#x2F;" rel="nofollow">https:&#x2F;&#x2F;diasporafoundation.org&#x2F;</a> and <a href="http:&#x2F;&#x2F;pump.io&#x2F;" rel="nofollow">http:&#x2F;&#x2F;pump.io&#x2F;</a> are attempts at that.