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Kustomize vs Timoni: catalog facts
Kustomize	Timoni
Free Free and open source.	Free Free and open source under the Apache 2.0 licence.
Command line	Windows, macOS, Linux, Command line
Built into kubectl as apply -k Plain YAML with no templating language	Type-safe templates and validation through CUE Signed, versioned modules distributed through OCI registries
Only useful for Kubernetes configuration Layered overlays can be hard to follow in large setups	Requires learning the CUE language Smaller ecosystem of ready-made modules than older Kubernetes package managers
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.