Open source alternatives to Docker

2 projects on starwire do the same job. Ranked by how much of what Docker does each one covers, read from its README and website. Ties go to the most active.

What Docker does

Run apps in containerscore
Build container imagescore
Multi-container apps with Compose
Image registry
Desktop app for Mac and Windows
Volumes and networking

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
kiriSmall, fast container runtime that runs on macOS, Windows and Linux	Replaces it94%	3.9k+2.8k	92	4 days ago	48%	Uses the terminal	Apache-2.0
Covers all 2 core jobs. Partly: Image registry.See the evidence Run apps in containerscoreYesRuns your Docker images Build container imagescoreYesdocker build through BuildKit Multi-container apps with ComposeYesworks with the docker CLI, Compose and buildx Image registryPartlySearch Docker Hub from the window Desktop app for Mac and WindowsYesA native window for containers, images, volumes and networks Volumes and networkingYesA native window for containers, images, volumes and networks
podmanTool for managing OCI containers and pods	Not checked yet	33k+36	739	4 days ago	100%	Uses the terminal	Apache-2.0

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