Graphical HTTP Client - Graphical Http Client is a utility to help you test and interact with REST-based web services.
RESTClient - RESTClient can be used to test variety of HTTP communications and RESTful webservices.
Hurl.it - Hurl makes HTTP requests.
SoapSonar - Crosscheck Networks designed SOAPSonar from the ground-up as a comprehensive testing solution with...
Insomnia REST - The most intuitive cross-platform REST API Client ð´
Postman - The Collaboration Platform for API Development