Download of oneSafe 2.4 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Security Tools, more precisely Personal Security. The actual developer of this Mac application is Lunabee Pte Ltd. We recommend checking the downloaded files with any free antivirus.
From the developer:
oneSafe not only securely stores all your passwords and other confidential information, it also synchronizes all that data between your Mac, iPhone, and iPad so you can have it at your fingertips wherever you happen to find yourself!
oneSafe is a super-secure password-management app that lets you store all your confidential information, including secret pictures and documents, in one place with complete security.
You may want to check out more Mac applications, such as Wallet, Watcher or PasswordWallet, which might be similar to oneSafe.