Taringa is not really a Facebook competitor. It's more like a structured discussion and link-sharing forum in the style of Reddit, not a generic communication platform to chat and connect with your friends and parents. And yes, afaik it's all-spanish.
It's really a pity
ChangeTip shut down.
This thread could be helpful for alternatives, but I don't have tested any of them. Sorry, too old thread. I think
MiniTip is currently working.
I think you know that there are altcoin-based projects, but they are OT here.
Another way could be to use a decentralized network like Hubzilla or Diaspora and develop a Bitcoin plugin
Edit:
This looks interesting but it seems network-agnostic (and probably little used).