The Essential Project toolset is open source and has been used and tested extensively in a production environment. These tools are available for use by any individual or organisation free of charge, with no initial or on-going support or maintenance charges, under the GNU General Public License.

The Essential Project components are free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

The Essential Project components are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.