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
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.