The 6.2131 version of Dashlane for Safari for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The application lies within Security Tools, more precisely Personal Security. The actual developer of this free Mac application is Dashlane Inc.
From the developer:
Dashlane for Safari offers safe and easy account access. It is more than a password manager: It comes with a fast and easy way to use the Internet. The browser extension integrates seamlessly into your online routines by following along with you to save and fill in your passwords and personal information as you go.
You may want to check out more Mac applications, such as Dashlane, Safari FIDO U2F or Youda Safari, which might be related to Dashlane for Safari.