Haiku is a free and open-source operating system compatible with the now discontinued BeOS. Developed by Haiku Inc.
License: Open Source
Haiku is primarily designed as a user-friendly desktop operating system with a focus on simplicity and ease of use, while OpenBSD is a security-focused operating system aimed at server and network environments. OpenBSD offers robust security features and a strong networking stack, making it suitable for high-security applications, whereas Haiku is better suited for users seeking a modern desktop experience.