# Frequently Asked Questions (FAQ) ## About License Changes **Q1: Why did you change the license?** A1: To ensure sustainable development and better value delivery for the project. Revenue from commercial licenses will be used for continuous project improvement. **Q2: What happens to existing versions (v1.x.x)?** A2: Existing versions (v1.x.x) will continue to be available under the MIT license. A custom license will apply from the new major version (v2.0.0) onwards. **Q3: Is there any impact on personal use?** A3: No, there is no change for personal use, educational purposes, or non-profit use that is not for commercial purposes. These uses will continue to be offered for free, but the license has been changed to a custom license. ## About Commercial Use **Q4: When is a commercial license required?** A4: A commercial license is required in the following cases when using this repository for commercial purposes: - Use within a company - Offering as part of a service - Embedding in a product - Modifying the software and providing it to third parties Note that trial internal use during pre-implementation or evaluation phase is exempt from license fees. For production environment use or use beyond the evaluation period, an appropriate commercial license must be obtained. **Q5: How much does a commercial license cost?** A5: The commercial license has the following plans: 1. **Standard License** - Price: **¥100,000 including tax** - Usage scope: - Use within your own company (unlimited number of locations and users) - Software modification is possible - **Redistribution/resale is possible to one company** 2. **Developer License** - Price: **¥300,000 including tax** - Usage scope: - Software modification and **redistribution is possible (up to 5 companies)** - Unlimited number of locations and users at redistribution destinations 3. **Enterprise License** - Price: **¥1,000,000 including tax** - Usage scope: - Software modification and **unlimited redistribution is possible** - Unlimited number of locations and users at redistribution destinations 4. **Custom License** - Price: **Quoted individually** - Usage scope: For special requirements or additional contract conditions **Q6: Is there a term for the commercial license?** A6: No, the commercial license is a one-time purchase with no expiration. Once purchased, it can be used permanently. However, the license applies only to the version at the time of acquisition. An upgrade fee may be required if there is a major update. **Q7: Does the commercial license include support?** A7: No, the commercial license does not include support. However, bug reports and feature requests are accepted as with regular OSS projects. If additional support is needed, please consult separately. ## License Selection and Use **Q8: Does using it for personal YouTube streaming count as commercial use?** A8: Generally, personal use does not count as commercial use and is available for free. However, if significant revenue is generated, please consider purchasing a commercial license. **Q9: Does using it in a small store count as commercial use?** A9: Yes, even for small-scale use, if it is for commercial purposes, it counts as commercial use. Please consider purchasing a **Standard License**. **Q10: What license applies to use by non-profit organizations?** A10: Use by non-profit organizations is generally available for free. However, for large organizations or special cases, please consult individually. ## Technical Questions **Q11: If I purchase a commercial license, will there be any changes to the software?** A11: No, there are no changes to the software itself. The commercial license is a legal usage agreement and does not affect the software's functionality. **Q12: Is the source code publicly available?** A12: Yes, this project maintains the spirit of open source, and the source code continues to be publicly available. ## Other **Q13: Is there a possibility of further license changes in the future?** A13: There are no plans at present, but changes may be made if necessary to ensure the project's sustainability. If there are changes, we will provide sufficient notice. **Q14: What should I do if I have more questions about the license?** A14: Please contact support@aituberkit.com. We will respond as quickly as possible. ## Specific Examples of Commercial Use **Q15: Can you provide specific examples of when a commercial license is required and when it is available for free?** A15: Here are specific examples. If you have any questions, please contact us individually. **Examples requiring a commercial license:** 1. **When a company uses the software as part of its internal system** - **Applicable License**: Standard License 2. **When modifying the software and providing it to one client** - **Applicable License**: Standard License 3. **When modifying the software and providing it to multiple clients (up to 5 companies)** - **Applicable License**: Developer License 4. **When selling a product that incorporates the software to many clients** - **Applicable License**: Enterprise License 5. **When integrating software features into a paid mobile app** - **Applicable License**: Enterprise License 6. **When a freelancer uses it in a client project and provides it to multiple clients** - **Applicable License**: Developer License or Enterprise License (depending on the number of clients) **Examples available for free:** 1. **Use in personal hobby projects** 2. **Use in academic research or educational institutions (not for commercial purposes)** 3. **Use in projects by non-profit organizations** 4. **Demonstrations at community events or study sessions** 5. **Demonstrations at exhibitions or events aimed at increasing project awareness** ## About Forking the Project **Q16: What happens to the license if I fork this project?** A16: The license terms apply to forked projects as well. 1. **Forking under a custom license:** - If used for commercial purposes, an appropriate commercial license must be obtained. 2. **Redistribution or resale:** - If modifying the software and redistributing or reselling it to third parties, it must be done within the scope of the commercial license. ## Other Questions **Q17: What happens if I switch to commercial use after starting as non-commercial use?** A17: If commercial use is confirmed after starting with personal use, educational purposes, or non-profit use, we will charge the license fee from the start of commercial use. Please obtain the appropriate license. **Q18: What happens to the license if there is a version upgrade?** A18: The commercial license applies only to the version at the time of acquisition. An upgrade fee may be required if there is a major update. Please check the latest license terms when using a new version. **Q19: What license applies to use at exhibitions or events?** A19: Demonstrations at exhibitions or events aimed at increasing project awareness are available for free. This applies even to commercial events. However, if the use at exhibitions or events leads to direct revenue, a commercial license may be required. **Q20: Does the commercial license apply to all branches of the project?** A20: No, the commercial license applies only to the code included in the **main branch**. Branches other than the main branch cannot be used for commercial purposes. If using for commercial purposes, be sure to use the release version from the main branch.