milkman ☆

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Description:
Extensible request and response workbench

Type: Cask | Latest Version: 5.10.0@0 | Tracked Since: Dec 19, 2025

Links: Homepage | GitHub | formulae.brew.sh

Stars: 1,315 | Forks: 77 | Language: Java | Category: Developer tools

Tags: api http-client testing development workbench java

Install: brew install --cask milkman

About:
Milkman is an extensible, cross-platform desktop application designed for API development and testing. It functions as a comprehensive workbench for crafting, sending, and analyzing HTTP and other types of requests, with a plugin-based architecture for extended functionality. Its main value is providing a flexible, open-source alternative to commercial API clients for developers and testers.

Key Features:

Extensible plugin system for custom protocols and features
Support for HTTP, REST, GraphQL, and other request types via plugins
Organize requests into collections and environments
Scripting capabilities for request/response manipulation
Cross-platform desktop application (Java-based)

Use Cases:

API development and debugging for backend services
Testing RESTful or GraphQL endpoints during development
Organizing and documenting API requests for team projects

Alternatives:

Postman – More widely adopted with cloud features; Milkman is open-source and locally focused.
Insomnia – Similar core functionality; Milkman emphasizes extensibility via plugins.

Version History

Detected	Version	Rev	Change	Commit
Dec 19, 2025 8:44pm	5.10.0	0	VERSION_BUMP	8382a2dd