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FreeBSD

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  Analyzed 8 days ago

FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, MIPS, ARM, PowerPC, and RISC-V architectures. It is derived from BSD, the version of UNIX developed at the University of California ... [More] , Berkeley. It is developed and maintained by a large team of individuals. [Less]

19.6M lines of code

212 current contributors

about 1 month since last commit

441 users on Open Hub

Very High Activity
4.73077
   
1 Review
I Use This
Mostly written in C
Licenses: BSD-2-Clause
Tags arm bsd freebsd i386 ia64 itanium kernel macppc multithreaded operating_system os posix 8 more...

Haiku

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Claimed by Haiku, Inc. Analyzed 8 days ago

Haiku is an open-source desktop operating system with the goal to create an innovative and seamless computing experience. Our first release will be an improved remake of BeOS R5, which was a commercial operating system created by Be Inc. After the company closed its doors a group of developers ... [More] decided to continue the BeOS as an open source effort. [Less]

2.92M lines of code

65 current contributors

about 1 month since last commit

69 users on Open Hub

Very High Activity
4.86842
   
0 Reviews
I Use This
Mostly written in C++
Licenses: mit
Tags alternative beos bfs binary_compatibility desktop_environment gui legacy microkernel modern multithreaded object_oriented operating_system 3 more...

GNU Hurd

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Claimed by GNU Analyzed 8 days ago

The GNU Hurd is the GNU project's replacement for the Unix kernel. The Hurd is a collection of servers that run on the Mach microkernel to implement file systems, network protocols, file access control, and other features that are implemented by the Unix kernel or similar kernels (such as Linux).

2.21M lines of code

16 current contributors

about 1 month since last commit

14 users on Open Hub

Moderate Activity
4.3
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags gnumach hurd ia32 microkernel multiserver operating_system_kernels posix symmetric_multi_processing x86