What is it?
Zclassic is a fork of Zcash.
How is it different?
No Founders Tax:
All mining rewards in Zclassic go to miners. Zcash founders take 20% of mining rewards for the first 4 years.
Where is it?
https://github.com/z-classic/zclassic
Exchange C-CEX: https://c-cex.com/?p=zcl-btc