Insomnia

Insomnia is a desktop application that lets you test and work with APIs. Think of it as a specialized tool for developers who need to send requests to APIs and check the responses they get back. It supports all major API types, so you don't need different tools for different projects.

The tool includes helpful features like environment variables (which let you switch between different settings easily), code generation (which creates code snippets you can use), and authentication helpers (which handle login details). You can also create mock servers to test your APIs before they're fully built.

Insomnia offers both free and paid versions. The free version works great for most individual developers, while paid plans add team features and extra tools.

• Multi-protocol API support (REST, GraphQL, gRPC, WebSocket)

• Request organization with collections and folders

• Environment variables for easy configuration

• Authentication helpers for OAuth and API keys

• Code generation in multiple languages

• API mock servers for testing

• Git integration for version control

• Team collaboration features

• Plugin ecosystem for customization

• CLI tool for automation