FreeBSD is an Open Source, standards-compliant Unix-like operating system for x86 (both 32 and 64 bit),
<trademark class="registered">ARM
</trademark>, AArch64,
<trademark class="registered">RISC-V
</trademark>,
<trademark class="registered">MIPS
</trademark>,
<trademark class="registered">POWER
</trademark>,
<trademark class="registered">PowerPC
</trademark>, and Sun
<trademark class="registered">UltraSPARC
</trademark> computers. It provides all the features that are nowadays taken for granted, such as preemptive multitasking, memory protection, virtual memory, multi-user facilities, SMP support, all the Open Source development tools for different languages and frameworks, and desktop features centered around X Window System, KDE, or GNOME. Its particular strengths are: