Hadron logo

The foundation for image-based systems.

Hadron is a minimal, upstream-aligned Linux distribution built from scratch with musl, systemd, vanilla kernels and no package manager - designed for predictable cloud and edge environments.

Topped with Kairos, it becomes immutable and has powerful lifecycle management. It's the foundation for image-based systems.

Engineered by the Kairos team at Spectro Cloud.

Quick StartSource Code
  • Core Components
    musl, systemd, vanilla kernels.
  • Upstream First
    Minimal changes. Maximum compatibility.
  • Independent
    Built from scratch. No package manager.
  • Seamless Updateswith Kairos
    A/B upgrade capabilities for zero-downtime operations
  • Edge & Cloud Readywith Kairos
    Optimized for both cloud workloads and edge deployments