- read the actual spec: https://github.com/OAI/OpenAPI-Specification
- Awesome-openapi3 list: https://apis.guru/awesome-openapi3/
- Runscope tools list: https://blog.runscope.com/posts/openapi-swagger-resource-list-for-api-developers
- OpenAPI.tools: http://openapi.tools/
- get involved: https://openapis.org
- openapi-gen: http://specgen.apistudio.io/
- swagger-ui: https://github.com/swagger-api/swagger-ui
- swagger-codegen: https://github.com/swagger-api/swagger-codegen
- Assertible: https://assertible.com/
- Dredd: https://github.com/apiaryio/dredd
- Postman: https://www.getpostman.com/
- Prism: https://stoplight.io/platform/prism/
- Express Gateway mock server: https://github.com/Szasza/express-gateway-plugin-openapi3-mock-server
- API Connect: https://www.ibm.com/cloud/api-connect
- RapidAPI: https://rapidapi.com/
- Semicolon Appreciation Society: http://semicolonappreciationsociety.com/