Amazon Web Services quietly planted another stake in the workplace software-as-a-service market last night with the launch of a new single sign-on offering. It’s a free service that lets companies provide their employees with a single set of credentials for logging into a variety of different applications.

While AWS made its name as a cloud provider by providing companies with elastic infrastructure and platforms for running their applications in the tech titan’s datacenters, it has shown an increasing interest in providing tools to help customers improve employee productivity. This single sign-on service offers built-in integrations with services like Salesforce, Box, and Microsoft Office 365, as well as a tool for customers to create their own custom integrations written in the Security Assertion Markup Language (SAML).

AWS has been doubling down on providing workplace SaaS offerings over the past couple years. Early this year, the cloud provider launched Amazon Chime, a workplace chat and videoconferencing product that competes with offerings like Microsoft’s Skype for Business. It has also launched QuickSight, a business intelligence service; WorkMail, an email and calendar service; WorkDocs, a file collaboration and productivity suite; and WorkSpaces, a cloud virtual desktop service.

The cloud titan’s competitors often feature SaaS offerings as key parts of their portfolios. Microsoft has Office 365, Power BI, Dynamics 365, and other services in that vein. Google Cloud pushes G Suite, Analytics 360, and other offerings. Oracle, which has been locked in a war of words with AWS, has seen a…

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