CheriBSD is a Capability Enabled, Unix-like Operating System which takes advantage of Capability Hardware on Arm's Morello and CHERI-RISC-V platforms.

CheriBSD extends FreeBSD to implement memory protection and software compartmentalization features supported by the CHERI ISA. CheriBSD includes support for CHERI extensions to the MIPS, RISC-V and Arm/Morello architectures.