Content License

Effective Date: November 1, 2025

This Content License Agreement ("License") governs your use of educational content, materials, and services provided by RillRate DOO through Knowledge.Dev (the "Service"). By accessing or using the Service, you agree to be bound by this License and our Terms of Service.

1. Overview of Content and Services

Knowledge.Dev provides the following educational content and services:

1.1 Free Content

PDF Books: Downloadable guides and tutorials available free of charge
Free Guides: Introductory educational materials on our website

1.2 Premium Content (Subscription Required)

Interactive Web Books: Online reader with interactive code examples and exercises
AI Assistant: AI-powered learning assistant providing hints and guidance
Multi-Language Support: Content available in multiple languages (English, Spanish, German, French, etc.)
Project Mirroring: Synchronization of educational projects with local development environment
Local File Modification: Ability to modify local files through the Service (with user's explicit permission)
Code Diffs: Line-by-line comparison of code changes
Interactive Labs: Hands-on coding environments

2. Educational Purpose and Disclaimer

2.1 Educational Content Only

IMPORTANT: All content provided through Knowledge.Dev is for educational purposes only. The courses, tutorials, code examples, and materials are designed to teach concepts, techniques, and best practices in software development and AI.

2.2 No Warranties for User-Created Content

RillRate DOO does not warrant, guarantee, or assume any responsibility for:

Code, applications, or projects you create based on our educational content
The functionality, security, or fitness for any particular purpose of your implementations
Any use of techniques, patterns, or practices learned from our courses
Any commercial or production use of code derived from our examples

2.3 User Responsibility

You acknowledge and agree that:

You are solely responsible for any code, applications, or projects you create
You must independently verify, test, and validate any code before use in production environments
You assume all risks associated with implementing concepts learned from our courses
You are responsible for ensuring compliance with applicable laws, regulations, and licensing requirements for your projects
RillRate DOO is not liable for any damages, losses, or consequences arising from your use of knowledge gained through the Service

2.4 Professional Advice Disclaimer

The content provided through Knowledge.Dev does not constitute professional advice. For production systems, security-critical applications, or mission-critical software, you should consult with qualified professionals and conduct thorough testing and security audits.

3. Ownership and Intellectual Property

3.1 Company Content

All educational content, books, courses, tutorials, guides, documentation, videos, images, graphics, software, code examples, and other materials provided through Knowledge.Dev (collectively, "Company Content") are the exclusive property of RillRate DOO or its licensors and are protected by:

Copyright laws
Trademark laws
Trade secret laws
Other intellectual property laws

3.2 Copyright Notice

4. License Grant

4.1 Free Content License

Subject to your compliance with this License and our Terms of Service, RillRate DOO grants you a limited, non-exclusive, non-transferable, revocable license to:

For PDF Books and Free Guides:

Download and store copies for personal, non-commercial educational use
Read and study the materials
Print copies for personal use
Share links to download pages with proper attribution
Reference content in educational or non-commercial contexts with proper citation

4.2 Premium Content License

Subject to your active subscription and compliance with this License and our Terms of Service, RillRate DOO grants you a limited, non-exclusive, non-transferable, revocable license to:

For Interactive Web Books:

Access and view content through our web reader
Use interactive features, code editors, and exercises
Sync educational projects to your local development environment (with your permission)
Modify local files as part of the learning experience (only with explicit user authorization)
Use AI assistant features for learning guidance

For Multi-Language Content:

Access content in any available language
Switch between languages as needed for educational purposes

For Code Examples:

View, run, and experiment with code examples in our interactive environments
Copy code examples for learning and practice
Use code patterns and techniques in your own projects (see Section 5 for details)

This license is valid only during your active subscription period and terminates immediately upon cancellation or expiration of your subscription.

5. Code Examples and Educational Code

5.1 Code Examples License

Code examples provided in courses and tutorials are for educational purposes only and are subject to the following terms:

You MAY:

Study and learn from code examples
Run and modify code examples in our interactive environments
Use concepts, patterns, and techniques in your own projects
Incorporate ideas and approaches into your own implementations
Create your own unique implementations based on learned concepts

You MAY NOT:

Copy entire courses or substantial portions of course code
Redistribute our code examples as part of educational materials
Use our code examples to create competing educational products
Remove educational context and present code examples as production-ready libraries
Train AI models on our educational content without permission

5.2 Student Code Ownership

You retain all intellectual property rights to code you write while using the Service, including:

Your solutions to exercises and challenges
Projects you create in our interactive labs
Your own implementations of concepts learned
Applications you build using techniques from our courses

However, you acknowledge that your code may be similar to examples in our courses, and we do not claim any ownership over your independent implementations.

5.3 Educational Context

All code examples are provided in an educational context with explanations, comments, and learning objectives. Code examples are NOT:

Production-ready libraries
Fully tested or security-audited implementations
Suitable for direct use in commercial products without modification and testing
Guaranteed to be free of bugs or vulnerabilities

You must adapt, test, and validate any concepts before use in production environments.

6. Restrictions and Prohibited Uses

6.1 General Restrictions

You may NOT:

Distribution and Sharing:

Redistribute, republish, resell, or sublicense any Company Content
Share your subscription account with others
Copy or download content for distribution to others
Make Company Content available on file-sharing networks or similar services

Derivative Works:

Create derivative educational products based on our courses
Translate or adapt our content for public distribution without permission
Create competing educational materials using our content as a basis

Commercial Use:

Use Company Content for commercial training programs without a commercial license
Incorporate substantial portions of our content into commercial products
Resell or monetize access to our content

Technical Restrictions:

Circumvent any access controls or technological protection measures
Use automated tools to scrape, download, or copy content
Reverse engineer any software components of the Service
Remove, alter, or obscure any copyright notices, watermarks, or attribution

AI and Machine Learning:

Use Company Content to train AI models or machine learning systems without explicit written permission
Feed our educational materials into large language models for commercial purposes
Create AI-generated derivatives of our content for distribution

6.2 Local File Access

When using the project mirroring and local file modification features:

User Control:

You must explicitly grant permission for the Service to access your local files
You can revoke access at any time
The Service will only modify files as part of the educational experience you initiate

User Responsibility:

You are responsible for maintaining backups of your files
You should use version control (e.g., Git) to track changes
RillRate DOO is not liable for any data loss or unintended modifications
You should review all changes before accepting them

Security:

Local file access is limited to project directories you explicitly authorize
We do not access files outside authorized directories
We do not retain copies of your local files on our servers beyond what is necessary for the educational experience

7. Attribution and Citation

7.1 Required Attribution

When referencing, citing, or linking to our content, you must provide proper attribution:

Recommended Format:

Content from Knowledge.Dev by RillRate DOO
Available at: https://knowledge.dev

For Academic Citations:

RillRate DOO. (2025). [Course/Book Title]. Knowledge.Dev. https://knowledge.dev/[course-url]

7.2 Linking

You may link to Knowledge.Dev content, provided that:

Links point to the original content on Knowledge.Dev
You do not frame or present our content as your own
You do not imply endorsement by RillRate DOO without permission

8. Trademarks

8.1 Trademark Ownership

The following are trademarks or registered trademarks of RillRate DOO:

Knowledge.Dev
Knowledge.Dev logo
RillRate DOO

8.2 Trademark Use

You may not use our trademarks without prior written permission, except to:

Provide attribution as described in Section 7
Link to our Service
Accurately describe that you have taken courses on Knowledge.Dev

9. AI Assistant and Generated Content

9.1 AI Assistant Output

Content generated by our AI assistant features (hints, guidance, suggestions) is:

Provided for educational purposes only
Not guaranteed to be accurate or complete
Subject to the same disclaimers as all educational content
Should be independently verified before use

9.2 No Liability for AI-Generated Content

RillRate DOO is not liable for:

Inaccuracies or errors in AI-generated hints or suggestions
Code or solutions implemented based on AI guidance
Any consequences of following AI assistant recommendations

10. Multi-Language Content

10.1 Translation Quality

While we strive for accuracy in all language versions:

Translations may contain errors or inconsistencies
The English version is the authoritative version in case of conflicts
Educational concepts should be understood in context, not just through literal translation

10.2 Language-Specific Code

Code examples may vary slightly between language versions to accommodate:

Language-specific idioms and best practices
Cultural context and naming conventions
Regional technical standards

11. Term and Termination

11.1 Term

This License is effective when you first access the Service and continues until terminated.

11.2 Termination by You

You may terminate this License at any time by:

Canceling your subscription
Deleting downloaded content
Ceasing use of the Service

11.3 Termination by Us

We may terminate this License immediately if you:

Violate any terms of this License
Violate our Terms of Service
Use content in unauthorized ways
Attempt to circumvent access controls

11.4 Effect of Termination

Upon termination:

Your license to access and use Company Content immediately ceases
You must delete all downloaded content
You must cease using any Company Content
Sections regarding disclaimers, limitations of liability, and user-created content survive termination

12. Digital Millennium Copyright Act (DMCA)

12.1 Copyright Infringement Notification

If you believe any content on Knowledge.Dev infringes your copyright, please send a DMCA notice to [email protected] with:

Physical or electronic signature of the copyright owner or authorized agent
Identification of the copyrighted work claimed to be infringed
Identification of the allegedly infringing material and its location on the Service
Your contact information (name, address, phone number, email)
A statement that you have a good faith belief that use of the material is not authorized
A statement, under penalty of perjury, that the information is accurate and you are authorized to act on behalf of the copyright owner

12.2 Counter-Notification

If you believe content was removed in error, you may submit a counter-notification to [email protected] with the information required by the DMCA.

13. Third-Party Content and Licenses

13.1 Third-Party Libraries

The Service may include or reference third-party libraries, frameworks, and tools, each subject to their respective licenses. We do not claim ownership of third-party content.

13.2 Open Source Components

Open source components used in the Service are subject to their respective open source licenses (MIT, Apache 2.0, GPL, etc.), which are incorporated by reference.

13.3 External Links

Content may include links to external resources. We are not responsible for the content or licensing of external websites.

14. Commercial Licensing

14.1 Corporate and Educational Institution Licensing

For corporate training, educational institutions, or other commercial uses, contact us at [email protected] for:

Team licenses
Enterprise licenses
Educational institution licenses
White-label licensing
Content licensing for training programs

14.2 Custom Licensing

We offer custom licensing arrangements for specific use cases. Contact [email protected] to discuss your needs.

15. Updates and Modifications

15.1 Content Updates

We may update, modify, or remove content at any time without notice. Updated content is subject to this License.

15.2 License Updates

We may modify this License at any time. Material changes will be communicated through:

Email notification (for subscribers)
Prominent notice on the Service
Updated "Effective Date" at the top of this document

Your continued use of the Service after changes constitutes acceptance of the updated License.

16. Governing Law

This License shall be governed by and construed in accordance with the laws of Montenegro, without regard to its conflict of law provisions.

17. Contact Information

For questions, permissions, or inquiries regarding this License, please visit our Contact page.

Summary: Knowledge.Dev provides educational content for learning purposes only. You may use free content for personal education and access premium content during your subscription. You retain rights to code you create, but we retain rights to our educational materials. We are not responsible for how you implement concepts learned from our courses. All content must be independently verified before production use.

Last updated: November 1, 2025