You could have downloaded SecretBook 4.0 for Mac from our software library for free. SecretBook for Mac lies within Security Tools, more precisely Personal Security. The most popular version among the application users is 4.0. This free Mac application is a product of Bookshelf Apps. The most frequent installer filename for the program is: SecretBook.zip. The unique ID for this program's bundle is com.i-graph.SecretBookAppAndImporter.
From the developer:
SecretBook is an encrypted personal information database for Mac OS X. It allows you to easily and securely store all kinds of personal information…Data values are encrypted individually and are never decrypted unless needed. Even when you copy a value it is not decrypted until the corresponding paste operation.
You may want to check out more Mac applications, such as Key Holder or PasswordVault Lite, which might be similar to SecretBook.