Insomnia REST - The most intuitive cross-platform REST API Client ð´
Graphical HTTP Client - Graphical Http Client is a utility to help you test and interact with REST-based web services.
Postman - The Collaboration Platform for API Development
Paw.cloud - Paw is a REST client for Mac.
Hurl.it - Hurl makes HTTP requests.
NativeRest - NativeRest is a native REST API client for Windows. NativeRest desktop application is not using Electron, runs fast, uses less memory and CPU.