Versatility: ORCA supports a wide range of computational methods, including DFT, wavefunction-based methods, and hybrid techniques. Efficiency: ORCA is optimized for performance, allowing it to handle large and complex systems effectively. User-friendly: The software has a well-documented and intuitive input format, making it accessible to both beginners and experienced users. Extensive documentation: ORCA provides thorough documentation and tutorials, facilitating its use in various research applications.