The most advanced wallet for Bitcoin, Bitcoin Cash, Litecoin and Groestlcoin.
With Melis you have the complete control of your Groestlcoin and private keys, you can define spending limits policies and make use of two or more factors authentication.
Melis is open source, published on GitHub.
Multi-account
You can activate several accounts with different features within the same wallet.
Multi-user
You can set custom scheme to multi-signature accounts (N of M signatures) and create shared accounts on multiple wallets with messaging between users.
Multi-device
You can access your wallet from all your devices (PCs, smartphones, tablets) using different privacy policies: each account may be safely hidden on secondary devices.
More info about Melis wallet on www.melis.io.