OpenBSD is a free and open source Unix-like computer operating system descended from Berkeley Software Distribution (BSD).
License: Open Source
OpenBSD is a security-focused operating system known for its robust architecture and features tailored for developers, while Tails is a live operating system designed for anonymity and privacy, primarily using the Tor network. OpenBSD is suited for servers and secure environments, whereas Tails is ideal for users needing a secure, anonymous browsing experience.