You can use Sense/Net Community Editon under the terms of the GPL license, or you can evaluate the supported commercial Sense/Net Enterprise Edition for 120 days free of charge.
We are eager to help you building your business on our true Open Source, workflow enabled alternative for proprietary stacks.
Sense/Net H-1117 Budapest Infopark sétány 1. Infopark "I" building
Phone: +36 (1) 464 70 70 Fax: +36 (1) 464 70 80