MemoVault 2.2.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Productivity Tools, more precisely Cloud Services. We recommend checking the downloaded files with any free antivirus.
From the developer:
Home-database created in order to have always and easily at disposal personal and family/institution-related data and info: anniversaries, dated to be reminded of, bank accounts’ and Insurance’s data, Credit Cards, login-strings and passwords, email and website addresses, and so on and so forth.
You can view records by their ‘Category’ (i.e. Label), search for words, make the application remind you (even automatically!
You may want to check out more Mac applications, such as Everport - for moving 37signals' Backpack data to Evernote or Zeta Uploader, which might be related to MemoVault.