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Yaak

Yaak is the most intuitive desktop API client designed for modern developers. It helps you organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC with a fast, offline, and Git-friendly experience.

Yaak is the open source alternative to:
Yaak screenshot

About Yaak

Yaak is built for speed and privacy using Rust and ReactJS, delivering seamless API testing on Mac, Windows, and Linux. It stores data as plain text for effortless Git integration and extends functionality through NodeJS plugins. With support for dynamic requests, multi-window multitasking, and diverse authentication methods, Yaak makes collaborating on API development and testing efficient and intuitive.

Key Features

  • Offline and Git-friendly API client
  • Supports REST, GraphQL, gRPC, WebSockets, and Server Sent Events
  • Built with Rust and ReactJS for optimal speed
  • Plain-text file storage for easy Git integration
  • Extensible via NodeJS plugins
  • Dynamic request chaining and multi-window support
  • Comprehensive API authentication options

Pricing

Personal
$0/Free

Free forever for personal use.

Features:
  • Personal use only
  • Access all features
  • Community support
Commercial
$50/Per user, per year

Ideal for for-profit organizations.

Features:
  • Commercial use for revenue-generating activities
  • Private email support
  • Perpetual fallback license

Summary

Yaak streamlines API testing with its robust support for multiple protocols, efficient Git integration, and dynamic request capabilities. Its offline functionality and extensible features offer a powerful yet simple solution for developers looking to enhance their workflow.

Related Open Source Tools

Adrian
Created by
Adrian
Mar 9, 2025Updated1 min read
This content was partially generated using artificial intelligence.

Tool Details

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