Starting with version 3.2, the AxoSyslog application is licensed under a combined LGPL+GPL license. The core of AxoSyslog is licensed under the GNU Lesser General Public License Version 2.1 license, while the rest of the codebase is licensed under the GNU General Public License Version 2 license.
NotePractically, the code stored under the
libdirectory of the source code package is under LGPL, the rest is GPL.
The Documentation is licensed separately. For details, see The syslog-ng OSE Documentation License.