Download the Jespa Java Library

Truly Password-Free HTTP Single Sign-On

The default Jespa package supports an unlimited number of users for 60 days. After that time it will only support 25 users. If you are satisfied with that limitation, you are welcome to use one installation of Jespa indefinitely at no cost. If you need support for more users or more than one installation, you will need to purchase a license key. Please see the Purchase page for details.

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jespa-2.1.5.zip

This .zip package contains the platform independent Jespa jar file, Jakarta jar file, example programs and more.

The Kerberos implementation has been significantly reorganized. See the Jespa Release Notes page for details.

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jespa-start-2.1.5.zip

Jespa Start is a Jetty 12 embedded executable jar that runs the Jespa HttpSecurityService and a servlet that displays details about the authenticated user. See Run the Jespa Start Jar for details.

If you just want to see SPNEGO / Kerberos SSO working quickly and easily, try this first.

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jespa-2.0.11.zip

This .zip package contains the platform independent Jespa jar file, Jakarta jar file, example programs and more.

This release fixes an initialization issue. See the Jespa Release Notes page for details.