Swell is an API development tool that specializes in streaming, websockets, sse, graphql, and restful APIs. Developers can use HTTP/2 and test both restful and nonrestful endpoints of all kinds

What is better than a plain old API? An interactive, visual one, that you can work on easily from your browser. With the new GraphQL Editor, this is now possible for every developer!

SpectaQL is an open-source static documentation generator for your GraphQL API. Give SpectaQL your GraphQL endpoint or schema file and it will generate HTML and CSS for a static, single-page site. Designed to be themeable and extremely customizable.