Ramper - Ramper is a free web3 SDK for DApps to onboard users quickly.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Directual - Low-code for building sophisticated apps
Buttercup - Free and open source password manager for Windows/Mac/Linux
Blockchain Demo - Visual demonstration of blockchain technology
Drive Password - Password manager encrypting and storing in your Google Drive