The intent of our licensing is to allow you to use OneTrueError, through the client libraries, without purchasing a license or using a GPL compatible license. If you, however, would like to create derived work or distribute OneTrueError Server, you need to get a commercial license or use a GPL compatible OSS license for your own software.
Contact us for further information.
The client libraries are licensed under the Apache 2.0 license.
The server is licensed under the GNU Affero General Public License 3.0.