Password Safe is a free and open-source password manager program originally written for Microsoft Windows but supporting wide area of operating systems with compatible clients available for Linux, FreeBSD, Android, IOS, BlackBerry and other operating systems as well. The Linux version is available for Ubuntu (including the Kubuntu and Xubuntu derivatives) and Debian. A Java-based version is also available on SourceForge. On its page, users can find links to unofficial releases running under Android, BlackBerry, and other mobile operating systems.