1. Introduction# 1.1. About the Global Teacher Campus Platform 1.2. Highlight Features and Capabilities of the GTC Platform 1.2.1. State of the Art and Open-Source Technologies 1.2.2. Interoperability of the Platform Components 1.2.3. Extensibility 1.2.4. Integration with Other Platforms 1.2.5. Built for Scale 1.2.6. Internationalization 1.2.7. Accessibility 1.2.8. Data Protection and Security 1.2.9. Multi-Tenancy 1.3. Potential extension capabilities for the GTC Platform 1.3.1. Native Mobile apps and offline learning capabilities 1.3.2. Other advanced capabilities within reach