stoplightio / spectral

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.

pb33f / libopenapi

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.

APIs-guru / awesome-openapi3

😎 A list of awesome projects related to OpenAPI 3.0.x, curated by the community