Altair GraphQL Client vs Hookdeck

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.

Hookdeck is a api-tools tool that webhook infrastructure platform for receiving, transforming, routing, and reliably delivering webhooks. It offers a freemium pricing model.