update : 23/12/2020


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Studied version : 5.4 Website : http://www.openbsd.org Distributed by : Foundation Licence : License1 Technology : C/C++ Year of creation : 1994

OpenBSD is a free, open source, community operating system based on BSD UNIX. It was created in 1994 by Theo de Raadt. The project is a spin-off of NetBSD, from which it separated in 1996.

Developed by the OpenBSD Foundation, which boasts more than a hundred developers, the OpenBSD project is a complete operating system that focuses on quality and code security. It is often used on sensitive network equipment.

OpenBSD is distributed under the BSD License.

The vast majority of its code is written in C.


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Ohloh users rating 4.75 (57 votes)
Tags mvme68k vax pf security bsd macppc opencvs cryptography sgi alpha m68k mac68k mvme88k amd64 x86 openssh soekris openbsd unix hppa os operating_system sparc64 zaurus landisk openntpd luna88k hp300 i386 openbgpd ppc armish pcc posix sparc
Download url http://www.openbsd.org/ftp.html
Ohloh page http://www.ohloh.net/p/openbsd