License

Dual License

This software is available under a dual licensing model:

1. Open Source License: GNU Affero General Public License v3.0 (AGPLv3)

For open source use, this software is licensed under the GNU Affero General Public License v3.0.

Key Terms of AGPLv3:

Freedom to Use: You may use this software for any purpose
Freedom to Study: You have access to the source code and can study how it works
Freedom to Modify: You can modify the software to suit your needs
Freedom to Distribute: You can distribute copies of the original or modified software

Important Requirements:

Share Modifications: If you modify this software and distribute it, you must make your modifications available under AGPLv3
Network Use: If you run a modified version on a server and let others interact with it over a network, you must provide them access to the modified source code
Attribution: You must retain copyright notices and license information
Same License: Derivative works must be licensed under AGPLv3

Full AGPLv3 License Text:

The complete legal text of the AGPLv3 license can be found at: https://www.gnu.org/licenses/agpl-3.0.html

2. Commercial License

If the AGPLv3 license does not suit your needs (for example, if you want to use this software in proprietary applications without open-sourcing your code), a commercial license is available.

Benefits of Commercial License:

Use the software in proprietary/closed-source applications
No requirement to disclose your source code
No copyleft obligations
Priority support options available
Custom licensing terms available

To Obtain a Commercial License:

Contact: Yucel Zengin Email: yucelz@q-store.tech Subject: Q-Store Commercial License Inquiry

Please include:

Description of your intended use
Project scope and timeline
Company/organization information (if applicable)
Any specific licensing requirements

Which License Should You Choose?

Choose AGPLv3 (Free) if:

You’re building open source software
You’re willing to share your modifications
You’re comfortable with copyleft requirements
You’re using it for research or educational purposes
You plan to contribute back to the community

Choose Commercial License if:

You’re building proprietary/closed-source software
You cannot or do not want to disclose your source code
You need freedom from copyleft obligations
You want to integrate this into commercial products
You need custom licensing terms or support

Frequently Asked Questions

Q: Can I use this software for free? A: Yes, under the AGPLv3 license, which requires you to share modifications if you distribute the software or run it as a network service.

Q: What if I just want to evaluate the software? A: Evaluation is permitted under AGPLv3 with no licensing fees.

Q: Do I need a commercial license for SaaS applications? A: Under AGPLv3, if you run modified software on a server that users interact with, you must provide the source code. If this doesn’t work for your business model, contact us for a commercial license.

Q: Can I get a commercial license for a specific project? A: Yes, we can provide project-specific or time-limited commercial licenses. Contact us to discuss your needs.

Disclaimer

THIS SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Last Updated: December 2025