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Taplo vs Tombi: catalog facts
Taplo	Tombi
Free Free and open source under the MIT licence.	Free Free and open source under the MIT license.
Windows, macOS, Linux, Command line	Windows, Command line
Validates TOML against JSON schemas Configurable formatter	Formatter, linter and language server in one tool Schema-driven validation using the JSON Schema Store
Focused on TOML only Editor integration beyond VS Code requires setting up the language server yourself	Only handles TOML files Editor features depend on a language server client
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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