Check this out, they have an open source multiwallet app available for PC: https://telegram.me/HODLER_TECH_IN
They have a really great idea, this is the only open source multi available, and the team is actively working on the development of the project. Their wallet supports LTC, BCH, DASH, ETH and even ERC20 token. Knowing that it is an opensource wallet, surely the security feature is great. In addition, its cool since all wallet are organize in a single wallet. This wallet claims simplicity and security at the same time.