Mnemo is a database manager where you don't have to create tables, fields, indices or foreign keys. These structures are created and maintained automatically as you enter new information.
You can also go backward and forward in time to remember the information, for example, a few days ago. (Keys Ctrl+Z and Ctrl+Y.)
Available in English and Spanish. Can import Access and dBase files. Includes on-line help, tutorial and an example database.