1. Performance: Kore is known for its lightweight nature, designed for high-performance web applications, utilizing an event-driven architecture, whereas Nginx, while also efficient, is more feature-rich and commonly used for a wide range of web server tasks, including load balancing, reverse proxying, and caching.
2. Configuration: Kore utilizes a simple configuration format that is easy to understand and work with, allowing for quick setups and modifications. On the other hand, Nginx uses a more complex configuration syntax, which can be daunting for beginners but provides extensive flexibility and functionality, especially for intricate server setups.
3. Modules: Kore offers fewer out-of-the-box modules compared to Nginx, making it more streamlined and efficient for specific purposes but may require additional development for certain functionalities. Nginx, with its vast array of modules, covers a wide range of features and needs without the need for extensive customization or additional development work.
4. Scalability: Kore is designed to be highly scalable and efficient in handling a large number of connections simultaneously, making it ideal for high-traffic web applications. Nginx, while also scalable, may require additional configurations and optimizations for extremely high loads, as it is more feature-rich and may incur additional resource overhead.
5. Community Support: Nginx boasts a larger and more active community compared to Kore, which translates to more resources, documentation, and support available for users. Kore, while steadily growing its community, may have limited resources and community-driven contributions compared to Nginx.
6. Ease of Use: Kore focuses on simplicity and minimalism, providing a straightforward approach to web server tasks. Nginx, although powerful, may have a steeper learning curve for beginners due to its extensive feature set and complex configuration options.

In Summary, Kore and Nginx differ in their performance focus, configuration simplicity, module availability, scalability, community support, and ease of use.