libcyphal
The premium Open Source alternative to RTI Connext DDS
🎯 Best for:Engineers building safety-critical, distributed real-time systems in robotics.
What is libcyphal?
A portable C++ implementation of the Cyphal protocol for reliable onboard communication. It is designed for resource-constrained embedded systems and deterministic networking in robotics.
Tech Stack
C++Backend & Auth
Why libcyphal?
- • Zero dynamic memory allocation option
- • Supports CAN, UDP, and Serial
- • Strict adherence to Cyphal standards
Limitations
- • High C++ expertise required
- • Complex protocol specification
- • Limited high-level documentation
2/26/2026
Last Update
497
Forks
21
Issues
MIT
License
Financial Leak Detected
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Competitor Cost
-$1,440
/ year (est. based on RTI Connext DDS)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%