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Yamale vs check-jsonschema: catalog facts
Yamale	check-jsonschema
Free Free and open source under the MIT license.	Free Free and open source under the Apache-2.0 license.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Validates one or many YAML files from the command line Provides a Python API	Runs as a CLI tool or pre-commit hook Validates against local and remote schemas
Requires Python 3.8 or newer and PyYAML Schemas should come from trusted sources	Requires a schema for the file being validated Remote schema use requires network access
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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