If the lightning network works out-I think it will-and get mass adoption-in the cryptosphere-many altcoins won't matter. I would say these coins probably will survive-don't quote!
Bitcoin for money and maybe Litecoin for filling Bitcoin LN wallets?
Honestly the only tech I am actually excited about for Bcash( use to call it bch but the new marketing stunt destroyed it for me) is Graphene. Graphene is a improved version of thin blocks. It does not lower the block size but instead create a way to distribute bigger blocks faster. This is a better version of compact blocks in theory. Not much is know about graphene but Core dev were planning on adding something similar:
https://bitcoincore.org/en/2016/06/07/compact-blocks-faq/
But is BCH dev can pull graphane in what they said in theory it be better than compact. However graphene has huge security problems...
Compact blocks fix the security issue!
Only time will tell...
EOS: A blockchain hosting platfrom
Golem for selling pc
Monero bc of privacy
and probably more.
Alot of "coins" are just tokens in CMC. I don't really count most of them...
Some of them are really close to securities...