Altair GraphQL Client vs Insomnia

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.

Insomnia is a api-tools tool that open-source api client for rest, graphql, grpc, and websocket requests with environment management. It is open source software.