Web TimeSheet supports the following two authentication methods to allow users to log into the system,

Web TimeSheet Authentication:
The user logs in using a login name and password specific to Web TimeSheet, as defined in their user profile. The user can change their own password from the Config section, with the necessary permissions.

SAML Authentication:
The user logs in using the same login name and password they use to log in to other applications that are part of their company's federated identity management system.