1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Toshi - A browser for the Ethereum network
Buttercup - Free and open source password manager for Windows/Mac/Linux
MyEtherWallet - MyEtherWallet is a free, open-source, client-side interface.
Drive Password - Password manager encrypting and storing in your Google Drive
Exodus.io - All-in-one app to secure, manage and exchange blockchain assets.