Altair GraphQL Client vs Hoppscotch

Altair GraphQL Client is an open-source GraphQL IDE for sending queries, mutations, and subscriptions to GraphQL APIs. It provides features like query autocompletion, schema documentation browsing, environment variables, and request collections. The client is available as a desktop application, browser extension, and web app.

Hoppscotch is a api-tools tool that open-source api development ecosystem with a web-based interface for rest, graphql, and websocket testing. It is open source software.