Insomnia
In plain terms
A streamlined API client for testing requests.
Going deeper
Insomnia is a clean, developer-friendly tool for sending and inspecting API requests, including REST and GraphQL. It's a lighter Postman alternative.
Under the hood
Supports environments, GraphQL, and plugins; favored for simplicity and speed.
Examples
REST/GraphQL testing, API debugging, request management, lightweight client.
Think of it like...
Like a minimalist toolkit for poking at APIs without clutter.