Diamond (DMD) is a Proof-of-Stake coin focused on scarcity. Their marketing materials emphasize the limited circulation of the coin, and the benefits of the network's incentivized cloud mining system, which rewards users for contributing their computing resources.

Plus-Coin

Mobile App marketing Platform

PlusCoin has been developed to connect cryptocurrency and the real economy.
When you use access entertainment (game etc.) and F&B, you can pay with mobile commerce instead of cash.
It offers safety through blockchain technology and provides a cheaper that does not require fees.

Sharechain is developing a Proof-of-Work cryptocurrency platform. Their network is currently fueled by the Ethereum-based SSS token. Their marketing materials are unclear and do not offer any information about its advantages.