Swagger vs OpenAPI docs tools

Here’s the quick distinction:

Swagger vs OpenAPI

• OpenAPI is the specification: a language-agnostic standard for describing REST APIs.
• Swagger was the original name of the spec and the tooling around it. Today, “Swagger” usually refers to tools, not the spec itself.

Common Swagger/OpenAPI docs tools

1. Swagger UI

• Interactive web page that renders an OpenAPI spec.
• Lets users try API endpoints directly from the browser.
• Best for: developer portals, API exploration.

2. Swagger Editor

• Browser-based editor for writing and validating OpenAPI definitions.
• Best for: designing APIs and quick spec editing.

3. SwaggerHub

• Hosted platform for designing, documenting, and collaborating on OpenAPI specs.
• Best for: teams, governance, versioning.

4. OpenAPI Generator

• Generates server stubs, client SDKs, and docs from OpenAPI specs.
• Best for: code generation, automation.

5. Redoc / Redocly

• Documentation renderer with a clean, developer-friendly UI.
• Often preferred for polished API reference docs.
• Best for: high-quality documentation sites.

Which to choose?

• Need interactive docs? → Swagger UI
• Need to author/spec APIs? → Swagger Editor or SwaggerHub
• Need generated SDKs/servers? → OpenAPI Generator
• Need nicer documentation presentation? → Redoc/Redocly

Rule of thumb

If you’re talking about the API definition format, say OpenAPI.
If you’re talking about tooling, “Swagger” is still commonly used.

If you want, I can also give you a comparison table of Swagger UI vs Redoc vs SwaggerHub vs OpenAPI Generator.