FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).




restclient.el is described as 'This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images' and is a API Client in the development category. There are more than 50 alternatives to restclient.el for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best restclient.el alternative is cURL, which is both free and Open Source. Other great apps like restclient.el are Postman, Insomnia REST Client, Yaak and Hoppscotch.
FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).





Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.




Gotcha Rest Client is the most popular commercial alternative to restclient.el.




API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.



Send HTTP requests to API endpoints. GetIt's main focus is to make your life a lot easier when you have to test APIs or use somebody else's API.




HTTP API testing tool where you can create requests and mock existing API:s. After trial has expired you can still create requests.




Ain is a command-line HTTP API client. It's an alternative to postman, paw or insomnia. It enables scripting of input and further processing of output. It targets command-line users who work with API:s using a simple file format.



EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.
Wisdom rest-client is a tool supports automated testing REST API, producing exquisite report, and generating exquisite REST API documentation based on historical cases.




API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.