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Container image tools

Inspect, copy, sign and shrink OCI images and work with registries without a container daemon.

Side by side

Container image tools
ToolStarsLicenceTermsSelf-hostedLanguageLatestLast push
Slim23kApache-2.0Open sourceNoGo1.40.112026-09-19
Skopeo11kApache-2.0Open sourceNoGov1.24.12026-10-01
crane4.1kApache-2.0Open sourceNoGov0.22.12026-10-05
regclient1.9kApache-2.0Open sourceNoGov0.11.62026-10-04

4 tools

Slim

Slim(toolkit): Don't change anything in your container image and minify it by up to 30x (and for compiled languages even more) making it secure too! (free and open source)

Language
Go
Licence
Apache-2.0
Stars
23k
Latest
1.40.11
Last push
2026-09-19
Skopeo

Work with remote images registries - retrieving information, images, signing content

Language
Go
Licence
Apache-2.0
Stars
11k
Latest
v1.24.1
Last push
2026-10-01
crane

Go library and CLIs for working with container registries

Language
Go
Licence
Apache-2.0
Stars
4.1k
Latest
v0.22.1
Last push
2026-10-05
regclient

Docker and OCI Registry Client in Go and tooling using those libraries.

Language
Go
Licence
Apache-2.0
Stars
1.9k
Latest
v0.11.6
Last push
2026-10-04

What these tools replace