Open-source licences
Tuno Connect includes third-party open-source software. Those licences prevail over any restriction in the app’s licence agreement as far as the components they cover are concerned.
sing-box (GPL-3.0-or-later)
The tunnel engine is sing-box 1.13.12, © 2022 nekohasekai and contributors, distributed under the GNU General Public License, version 3 or later.
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.
Because the engine is linked into the app, the app as conveyed is a combined work covered by the GPL. The corresponding source and the exact build instructions are on the Source page.
Full component list
47 modules are compiled into the shipped engine (15× BSD-3-Clause, 14× MIT, 11× GPL-3.0, 6× Apache-2.0, 1× Unlicense). The complete licence texts are in licenses.txt.