Geany is distributed under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. A copy of this license can be found in the file COPYING included with the source code of this program or see Appendix B, GNU General Public License.

The included Scintilla library (found in the subdirectory scintilla/) has its own license, which can be found in the appendix (see Appendix C, License for Scintilla and SciTE).