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Jespa - 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-2.0.1.zip
This .zip package contains the platform independent Jespa jar file, jakarta jar file, API documentation, example programs and more.
The 2.0.0 release includes significant changes but it is fully backward compatible with 1.x and does not require a new license key. See the Jespa Release Notes page for details.
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jespa-1.2.13.zip
This .zip package contains the platform independent Jespa jar file, jakarta jar file, API documentation, example programs and more.
This package is obsoleted by Jespa 2.x which is fully backward compatible with 1.x (although 2.x does not support activation keys generated before approximately December of 2018).