The initial version of Halcyon IDE was released with MIT license, but later changed to GNU General Public License version 3 (GPL-3.0).
Copyright (C) Halcyon IDE <https://halcyon-ide.org/> Author & Project Lead : Sanoop Thomas This program is 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. This program is distributed in the hope that it 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. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.