Altair GraphQL Client vs Kreya

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.

Kreya is desktop GUI client for calling gRPC, REST, and WebSocket APIs with environment and auth management. It provides comprehensive features for api-tools workflows. The tool is actively maintained with regular updates and strong community/vendor support.