Insomnia REST - The most intuitive cross-platform REST API Client ð´
Postman - The Collaboration Platform for API Development
Postwoman - An online, open source API request builder
soapUI - SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.
NativeRest - NativeRest is a native REST API client for Windows. NativeRest desktop application is not using Electron, runs fast, uses less memory and CPU.
Paw.cloud - Paw is a REST client for Mac.