Bitcoin Confidential is a new coin focused on confidentiality/privacy that will be Proof of Stake, using Ring Confidential Signatures and based on the latest Bitcoin codebase for compatibility.
Kcash is a decentralized digital wallet supporting multiple blockchain assets. It allows you to store, send and receive blockchain assets safely and gives you 100% control of your assets. With Kcash you can manage all your blockchain assets and will be able to connect them with the physical world soon.