Side by side

Redocly vs Zally

Both stand on api governance software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Redocly

Free plan APIExtensionWeb

Redocly brings API references, collaboration, governance, and monitoring into one product set, with an open-source CLI and VS Code extension. A free API documentation option and 30-day product-suite trial are available; paid plans start at $10 per seat/month, billed monthly.

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Zally

Free plan APILinuxMac+3

Zally focuses on API specification linting, with several ways to use it and options for adapting rules. Its free, open-source model may suit teams whose APIs use supported OpenAPI formats.

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The facts

	Redocly	Zally
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Extension, Web	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Pro: $10 per seat a month	Free or on request
Plans published	4	1
Maker	Redocly	Not published
Website	redocly.com	opensource.zalando.com
On api governance software	#12 of 25	#16 of 25

Redocly: what it does well

Generates API references from OpenAPI definitions.
Reunite supports reviews and deployment previews.
CLI validates, lints, and bundles OpenAPI definitions.
Respect can alert through Slack or email.
Free API documentation launch and 30-day suite trial.

What to know first

Pro includes one project and 100 pages.
Enterprise includes 500 pages.
SSO is included in Enterprise and Enterprise+.

Zally: what it does well

Checks OpenAPI 2 and OpenAPI 3 specifications.
Offers REST API, CLI and web interface.
Custom rules can be implemented in Kotlin.
Docker Compose can start the UI, server and database.
Free under an MIT license with an exception.

What to know first

The listed Maven Plugin integration is unofficial.
Access control is listed as basic.
Custom rule implementation uses Kotlin.

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