Atomic is a decentralized multi-cryptocurrency wallet available for Windows, Mac OS and Linux IOS  . The wallet uses BitTorrent technology for distributed order book and atomic swap technology for cross-chain custody free exchange. Atomicwallet also features instant exchange options - Changelly and ShapeShift. Atomic supports more than 300 crypto-currencies, to see the full list click here. https://atomicwallet.io/assets
Atomic Swap features:
Cross-chain Atomic Swaps between any BTC-LTC-QTUM pair
Blockchain-based peer-to-peer order execution
Fast and secure data transfer with Atomic Distributed Orderbook Flexible Market order margin and fast rate update.
Assets management:
Receive and send over 300+ cryptocurrencies such as BTC, ETH, LTC, XRP, DGB, DASH, ETC, QTUM, BCH, XLM, ZEC, XMR and ERC20 tokens
Custom token feature: you can add any ERC20 token to Atomic Wallet in a minute
Exchange assets via Changelly or Shapeshift with floating or fixed rate. Track your portfolio in different fiat currencies.
Security and migration:
Strong encryption and custody-free solution guarantees a high level of security.
Users can export private keys in different formats
Private key storage is personal, which means the funds are controlled by its users