Open Silicon Everywhere™
Making open-source silicon a reality, commercially relevant, and widely adopted throughout the industry

lowRISC News
June 27th, 2025
lowRISC Tackles Post-Quantum Cryptography Challenges through Research Collaborations
April 2nd, 2025
lowRISC and SCI Semiconductor Release Sunburst Chip Repository for Secure Microcontroller Development
OpenTitan®, the world’s first open-source silicon root of trust, offers commercial-grade security in a transparent, verified and flexible design.
- World’s most active open-source silicon project
- Secure by design – not obscurity
- Designed for certification: FIPS, NIST and CC
- Hardened against SCA and FI
- Standalone SoC or integrated as a Secure Enclave
- In production for Google Chromebooks and datacentres
- Roadmap for full post-quantum cryptography
- Permissively Licensed (Apache 2.0)
Ibex® is a production-quality open-source 32-bit RISC-V CPU core written in SystemVerilog
- Formally verified
- In production
- Hardened against SCA and FI
- Permissively Licensed (Apache 2.0)

Our Partners & Contributors

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Need support or training for your OpenTitan or Ibex based design?
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lowRISC is a not-for-profit company using collaborative engineering to develop and maintain open source silicon designs and tools, through a unique combination of skills, expertise and vision.
We provide a home for multi-partner projects that deliver verified, high quality IP and tools, which provide the solid foundations that are necessary for the rapid development cycles required for next generation silicon products. lowRISC employs an engineering team in Cambridge, UK, working on our own developments, partner projects, and work-for-hire that is aligned with our mission.