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