Instant on: Your client does not download the blockchain. It uses a network of specialized servers that index the blockchain.
Safe: Your seed and private keys are encrypted on your hard drive. They are never sent to the servers.
Low trust: Information received from the servers is verified using SPV. Servers are authenticated using SSL.
No downtimes: Your client is not tied to a particular server; it will switch instantly if your server is down.
Cold Storage: Sign transactions from a computer that is always offline. Broadcast them using a machine that does not have your keys.
Established: Electrum Cash is open source and was first released in August 2017.
This wallet is very new and it is advised to test with small amounts until you are comfortable with this wallet