all kinds, theres streamin at Zap(dot)stream ,
weve got a zoom replacement with hivetalk(dot)org
weve got a marketplace at plebian market 
theres a reddit replacement at satellite(dot)earth 
weve a wikipedia replacemnet at wikifreedia
the best part is all these services are interoperable with one another you have you private key (Nsec) that you can take with you to each service and use as it works with ALL of them