What are some alternatives?
When comparing Clipperz and passacre, you can also consider the following products
KeeWeb - Web and desktop password manager compatible with KeePass.
bitwarden - Bitwarden is a free and open source password management solution for individuals, teams, and business organizations.
Padlock - Padlock is an open-source password manager that is available as an app for multiple platforms. It can be used on Android and iOS devices, and it can also be installed as a Chrome extension.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
MSecure - The mSecure password manager app provides the perfect combination of protection and flexibility.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.