OpenBSD is a free and open source Unix-like computer operating system descended from Berkeley Software Distribution (BSD).
License: Open Source
ArchBang is a lightweight Linux distribution based on Arch Linux, focusing on simplicity and customization, making it suitable for users who prefer a hands-on approach. In contrast, OpenBSD is a security-centric operating system known for its robust security features and stability, making it ideal for server environments and users prioritizing security.