Yaak
Offline-first desktop API client for REST, GraphQL, gRPC, and WebSockets
Yaak is a desktop API client built with Tauri and Rust that sends REST, GraphQL, gRPC, WebSocket, and Server-Sent Events requests. It stores data locally with no telemetry, can sync workspaces to a folder for Git, and imports Postman, Insomnia, OpenAPI, and cURL collections. It was created by the original author of Insomnia.
Key features
- REST, GraphQL, gRPC, WebSocket, and SSE requests
- Import from Postman, Insomnia, OpenAPI, and cURL
- Filesystem sync for Git-based collaboration
- JSONPath and XPath response filtering
- Plugin system
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