OpenBSD is a security-focused, free and open-source, Unix-like operating system based on the Berkeley Software Distribution. Theo de Raadt created OpenBSD in 1995 by forking NetBSD 1.0. The OpenBSD project emphasizes portability, standardization,... Wikipedia
Initial release date: June 1, 1997
Programming languages: C, C++, Assembly language, and more
Developer: Theo de Raadt and OpenBSD Project
Compatible Operating Systems: FreeBSD, Linux kernel, HP-UX, and more
License: BSD licenses and ISC license
Latest release: 7.5 (5 April 2024; 35 days ago)