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Apptainer vs ko

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Apptainerko
LanguageGoGo
LicenceOtherApache-2.0
Stars2k8.6k
Latestv1.5.5v0.19.1
Last push2026-11-092026-11-09
Release cadenceabout 30 days between releasesabout 194 days between releases
Active contributors14 commit authors on the default branch in the last 90 days7 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Docker Engine (Moby). Alternatives to Docker Engine (Moby) →

    PartialApptainerRuns containers without root and without a daemon, built for HPC with single-file SIF images.

    PartialkoBuilds and pushes container images for Go apps without a Dockerfile or a Docker daemon.