Free - Blackberry® Enterprise Server Express
BlackBerry® Enterprise Server Express is available for free.
The power and security behind the world-class BlackBerry® experience is now free. That means you can give the best mobile tools in business to more of your users. And even more exciting is you can now say yes to adding personal BlackBerry smartphones to your deployment with no additional software or licensing costs.
BlackBerry Enterprise Server Express wirelessly synchronizes Microsoft® Exchange or IBM® Lotus® Domino® with BlackBerry smartphones.
It provides advanced BlackBerry smartphone business features with no software license fees or additional per user license fees, and works with most personal BlackBerry data plans or BlackBerry enterprise data plans.