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 and in the appendix A of this document.

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