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lowRISC

Developing the Silicon Commons

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http://www.lowrisc.org

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opentitan opentitan Public

OpenTitan: Open source silicon root of trust

SystemVerilog 3.2k 960
ibex ibex Public

Ibex is a small 32 bit RISC-V CPU core, previously known as zero-riscy.

SystemVerilog 1.8k 695
ibex-demo-system ibex-demo-system Public

A demo system for Ibex including debug support and some peripherals

C 90 73

Repositories

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Showing 10 of 153 repositories

opentitan Public
OpenTitan: Open source silicon root of trust

lowRISC/opentitan’s past year of commit activity

SystemVerilog 3,150 Apache-2.0 960 1,464 (11 issues need help) 337 Updated Feb 26, 2026
sonata-system Public
A full micro-controller system utilizing the CHERIoT Ibex core, part of the Sunburst project funded by UKRI

lowRISC/sonata-system’s past year of commit activity

C++ 48 Apache-2.0 31 14 10 Updated Feb 25, 2026
dvsim Public
DVSim is a build and run system written in Python that runs a variety of EDA tool flows

lowRISC/dvsim’s past year of commit activity

Python 5 Apache-2.0 8 24 1 Updated Feb 24, 2026
lowrisc-toolchains Public
UNSUPPORTED INTERNAL toolchain builds

lowRISC/lowrisc-toolchains’s past year of commit activity

Shell 47 21 3 0 Updated Feb 24, 2026
lowrisc-nix Public
lowRISC Nix Packages and Environments

lowRISC/lowrisc-nix’s past year of commit activity

Nix 7 MIT 11 1 2 Updated Feb 22, 2026
qemu Public Forked from qemu/qemu
Fork of QEMU for development of lowRISC platforms (including OpenTitan)

lowRISC/qemu’s past year of commit activity

C 9 6,664 11 3 Updated Feb 19, 2026
ibex Public
Ibex is a small 32 bit RISC-V CPU core, previously known as zero-riscy.

lowRISC/ibex’s past year of commit activity

SystemVerilog 1,773 Apache-2.0 695 213 (5 issues need help) 38 Updated Feb 17, 2026
opentitan-provisioning Public
Reference OpenTitan Provisioning Infrastructure

lowRISC/opentitan-provisioning’s past year of commit activity

Go 12 Apache-2.0 10 14 2 Updated Feb 6, 2026
verilator Public Forked from verilator/verilator
Verilator open-source SystemVerilog simulator and lint system

lowRISC/verilator’s past year of commit activity

SystemVerilog 0 771 0 0 Updated Feb 6, 2026
sonata-software Public
Software, build flows and examples for the Sonata System

lowRISC/sonata-software’s past year of commit activity

C++ 12 Apache-2.0 16 3 0 Updated Jan 23, 2026

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