ClassicEtherWallet CX has been a browser wallet for the holders of Ethereum Classic coins before the 51% attack on the Ethereum Classic blockchain took place in January 2019 resulting in a theft of over $11 mln.
vSlice Web Wallet is no longer offered. vSlice Web Wallet used to power transactions with the vSlice (VSL) tokens, native tokens of the vdice platform, an Ether game developer.