Yaak

Yaak is a powerful and user-friendly API client designed for modern developers. It offers a clean, intuitive interface that simplifies the process of working with various API types, including REST, GraphQL, Server-Sent Events (SSE), and gRPC.

Key features:

• Multi-protocol support: Work seamlessly with REST, GraphQL, SSE, and gRPC APIs in one tool.
• Intelligent autocomplete: Get suggestions for variable names, headers, and more, reducing the need to consult documentation.
• Environment variables: Define and manage reusable variables across different environments.
• Request chaining: Link multiple related requests together for complex workflows.
• Workspaces and folders: Organize your API requests efficiently with nested folders and separate workspaces.
• Batch request sending: Quickly send all requests in a folder to save time.
• Import and export: Easily import from Postman, Insomnia, OpenAPI, or cURL commands. Export requests as cURL commands for sharing.
• Local data storage: All app data is stored locally on your machine for enhanced privacy and security.
• Open source: Yaak is fully open-source, providing transparency and allowing for community contributions.

Additional benefits:

• Offline capability: Work on your API requests even without an internet connection.
• Multi-window support: Manage multiple workspaces simultaneously for increased productivity.
• Visual response previews: Render HTML, images, and other content types directly in the app.
• Responsive design: Adapts to any window size for a consistent experience across devices.
• Proxy support: Send requests through a custom proxy when needed.
• Cookie management: Persist cookies and create multiple cookie jars for different scenarios.

Yaak combines simplicity with powerful features, making it an excellent choice for developers who want a fast, reliable, and feature-rich API client without the bloat of some alternatives. Whether you're building, testing, or documenting APIs, Yaak provides the tools you need to streamline your workflow and boost productivity.