We are pleased to announce that release 1.0 of ActiveMath is finally available. ActiveMath 1.0 is a stabilization of the ActiveMath development and a polish of most of its features. Detailed release notes can be found here. ActiveMath 1.0 is released under the d-fsl license (German Free Software License). You can download the server application here. ActiveMath 1.0 is currently running under the preliminary address http://am-preview.activemath.org, and will soon be installed on our regular demo server.