Authentication Client 3.0.153 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Authentication Client relates to Security Tools. We recommend checking the downloaded files with any free antivirus. The following version: 3.0 is the most frequently downloaded one by the program users. The actual developer of the free program is DataBase Informatica.
From the developer:
The ActivIdentity Authentication Client extends the ActivIdentity ActivClient™ and ActivIdentity SecureLogin™ Single Sign-On security client software with additional authentication, user, and management services. The ActivIdentity Authentication Client provides end users with self services to temporarily enable access to workstations and reset Windows passwords. I
You may want to check out more software, such as SafeNet Authentication Client, O&K Authentication Client or WatchGuard Authentication Client, which might be similar to Authentication Client.