compare
Apptainer vs Docker Engine (Moby)
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Apptainer | Docker Engine (Moby) |
|---|---|---|
| Language | Go | Go |
| Licence | Other | Apache-2.0 |
| Stars | 2k | 72k |
| Latest | v1.5.5 | docker-v29.9.3 |
| Last push | 2026-11-09 | 2026-11-11 |
| Release cadence | about 30 days between releases | about 6 days between releases |
| Active contributors | 14 commit authors on the default branch in the last 90 days | 29+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Apptainer replaces Docker Engine (Moby). Alternatives to Docker Engine (Moby) →
PartialRuns containers without root and without a daemon, built for HPC with single-file SIF images.
Apptainer
- v1.6.0-rc.12026-11-03Apptainer v1.6.0-rc.1pre-release
- v1.5.52026-10-22Apptainer v1.5.5
- v1.5.42026-09-22Apptainer v1.5.4
- v1.5.32026-07-21Apptainer v1.5.3
- v1.5.22026-06-23Apptainer v1.5.2
Docker Engine (Moby)
- docker-v29.10.0-rc.12026-11-06v29.10.0-rc.1pre-release
- docker-v29.9.32026-11-03v29.9.3
- docker-v29.9.22026-10-20v29.9.2
- docker-v29.9.12026-10-14v29.9.1
- docker-v29.9.02026-10-08v29.9.0
Apptainer
unsigned The latest release, v1.5.5, carries no signature GitHub could verify.
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Docker Engine (Moby)
✓ signed The latest release, docker-v29.9.3, carries a signature GitHub verified.
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